Case Summary (G.R. No. 111009-12)
The Charged Offenses and Trial Court Disposition
In Criminal Case No. 92-CR-1358, the information alleged that the accused—police officers, acting in conspiracy and with evident premeditation, abuse of superior strength, cruelty, and deliberate intent to kill—attacked and killed Vivian Gonzales Diones, a married woman allegedly five months pregnant, and thereby caused the death of both the woman and the unborn child, with the aggravating circumstance of nocturnity being purposely sought to facilitate the offense.
In Criminal Case Nos. 92-CR-1365 and 92-CR-1366, the informations alleged the killing of Laurita Diones Nitcha and Zenaida Diones Ragadi, respectively, again with conspiracy, evident premeditation, abuse of superior strength, cruelty, deliberate intent to kill, and nocturnity.
In Criminal Case No. 92-CR-1407, the information alleged Frustrated Murder as to Myrna Diones, charging that the accused attacked her with the use of treachery and employment of means to insure impunity, performed all acts which would have produced murder, but that death did not ensue by reason of causes independent of the accused’s will, specifically timely police assistance and medical intervention, while also taking advantage of their positions and the nighttime.
After the trial court rendered its decision, the dispositive portion reflected that Jose Flores, Manuel Corpuz, Romeo Artienda, Amado Merca, and Edwin Tubiera were each found guilty as convicted for all four cases. The accused Leonito Macapagal was acquitted in all four cases for insufficiency of evidence. The trial court did not pronounce civil liability because separate civil actions for damages had been filed by the victims’ families.
Factual Background: The Abduction, Detention, and Attack
The Supreme Court recounted that Myrna Diones, the lone survivor, narrated the events leading to the deaths of Vivian Gonzalez Diones, Zenaida Diones Ragadi, and Laurita Diones Nitcha, and the assault that nearly killed her. She testified that on June 17, 1992, she, her parents Eusebio and Jaunita Diones, and her sister Zenaida were at their home in Binalonan, Pangasinan. Around 9:00 a.m., the group boarded a vehicle to Urdaneta, Pangasinan to fetch Laurita and Vivian, and later traveled by bus toward San Fernando, La Union, each with a personal purpose, before eventually reaching Pagdalagan, San Fernando, La Union.
After meeting a relative, the girls went to the market. Myrna went to a drugstore to buy Cortal due to a headache. While inside, she noticed a male person standing nearby and later identified Edwin Tubiera. When the girls attempted to move away, Tubiera followed them. At a point near the parking space for jeeps, Myrna saw Jose Flores with an old man, later identified as Jose Flores. Tubiera allegedly prevented the girls from leaving, accusing them of being thieves. Flores then used a handheld radio, and three policemen arrived in a vehicle. One of the policemen was told by Flores to bring the girls to “Station B.”
The girls were made to board the vehicle, which Myrna understood through signage to be near or toward Station B. They were detained in a small cell where, according to Myrna, Tubiera fed them meals on June 17 and again during the following day. She later learned or was told by another person that those who detained them were killers, but she and her companions did not claim knowledge beyond what the investigators and witnesses later established.
On the night of June 18, around 11:30 p.m., a tall male person arrived, looked at them, and later slept on a folding bed. In the early morning of June 19, Tubiera’s accomplice Leonito Macapagal initially was said by Myrna to have come to inform them they were to see the mayor; however, during cross-examination she admitted the person who came at that time was Jose Flores. Outside the station, Myrna saw a white Ford Fiera and a red car. She, Zenaida, and Vivian were made to board the Ford Fiera, with Flores and Romeo Artienda as occupants and drivers, while Tubiera sat beside her in the back seat.
The group drove through areas indicated by road signage, including Municipality of Naguilian and later entries identified by Myrna as “Welcome to Burgos” and “Welcome to Cordillera,” while the red car followed closely behind. Myrna testified that Flores ordered the co-accused to handcuff and tie the girls. She stated that Tubiera handcuffed her, Corpuz handcuffed Vivian, and Merca handcuffed Zenaida. Inside the vehicle, Myrna said she saw a tire, a rope, and a rounded wood with pointed ends, with enough light for her to notice these items.
Myrna then described the attack sequence: Tubiera placed a rope around her neck; Merca tied rope around Zenaida’s neck; and Corpuz tied rope around Vivian’s neck. She testified that Merca and Corpuz started mauling the other victims, and that Tubiera stabbed her left eyebrow with the pointed wooden object and struck her head three times until she fell unconscious.
Discovery of the “Salvage” Victims and Police Investigation
The record established that at around 8:00 a.m. of June 19, 1992, the Sablan Police Station received a report of alleged “salvage” victims found about twenty (20) feet below Naguilian Road at Sitio Dakes, Sablan, Benguet. An investigation team found a first dead female victim bearing apparent strangulation marks around the neck and stab wounds in different parts of the body, plus two differently colored sandals and a shoe a short distance away. The team then searched for other victims.
A second female body was found about fifty (50) feet from the first, bearing a nylon rope tied around her neck and several stab wounds. A third victim was found about thirty (30) feet from the second; the third was Myrna Diones, alive but unconscious and later brought to Baguio General Hospital. She later regained consciousness and could hardly talk, but she was able to relate how she and her companions were taken by persons they believed belonged to the San Fernando Police force.
Police investigators received further information and recovered a fourth body around one kilometer away on June 21, which was later identified as Laurita Diones. Myrna provided statements to investigators on separate dates. Investigators then coordinated with the Philippine National Police leadership. A copy of the Disposition of Troops of the San Fernando Police Station for June 1992 was furnished to the investigation.
To identify the attackers, the CIS obtained and used photographs of policemen of San Fernando, La Union. Myrna reviewed a set of about thirty-five (35) pictures and selected five (5). She was later taken for line-up identification under supervision of ranking police officials. At the line-up, standing behind a one-way mirror, Myrna identified five (5) policemen, including SPO1 Jose Flores and the other accused who were ultimately convicted. She also verified the detention location at the Canaoay Police Substation.
On 16 July 1992, she was shown additional photographs and later conducted another line-up in which she identified Leonito Macapagal. Based on these identifications, the informations were filed in the Regional Trial Court of La Trinidad, Benguet for murder and frustrated murder.
The Accused-Appellants’ Defenses
The convicted accused each presented an alibi. Jose Flores testified that he reported for duty at the Canaoay Police Substation on 17 June 1992 at 8:00 a.m., remained there until 6:00 a.m. of 18 June, admitted being alone at his post until Tubiera and Merca reported for duty in the evening of 17 June, and later stated he returned and stayed at the substation during the relevant period until the next morning. He denied seeing Myrna or any of the three other victims at the substation. He presented barangay council and barangay captain witnesses to claim that he was alone at the substation during certain times and that no girls were detained there.
Edwin Tubiera claimed he was on traffic duty on 17 June and later proceeded to the substation in the evening, contending that only Flores and Merca were there. He testified that he never left his post during the night and that he went home after his morning duty shift on 18 June and stayed there until he returned for duty the morning of 19 June. He presented witnesses to corroborate his home stay.
Amado Merca claimed traffic duty through the evening and later night duty at the substation until the morning of 18 June, then asserted he went to his common-law wife’s house. He further testified about accompanying a neighbor at midnight to fetch the neighbor’s child, which he said he did before returning at about 1:00 a.m. to support his whereabouts.
Romeo Artienda, Jr. claimed he reported at the Santiago Police Substation and stayed through 8:00 a.m. of 18 June, after which it was his day off and he stayed home, playing chess with a neighbor until the early morning of 19 June. A commander testified that Artienda never left the station during the relevant duty period.
Manuel Corpuz claimed a day off on 17 June and then reported to traffic duty on 18 June and later to night duty at the substation. He stated that Flores and Robert Cabrera were already at the station, contending that only they were at the substation during the night, and he denied detention of girls.
The Supreme Court noted that the accused-appellants’ defenses rested principally on challenging the prosecution witnesses and identification, and on claiming that their respective alibis were corroborated by witnesses.
The Accused-Appellants’ Assigned Errors on Appeal
The convicted accused-appellants appealed on multiple grounds: they challenged Myrna’s credibility, arguing alleged inconsistencies and infirmities, particularly her earlier identification of Leonito Macapagal and subsequent withdrawal; her failure to describe the vehicle used to take the group to the substation while describing the Fiera-type vehicle; the claimed improbability of reading road signs in darkness; and pu
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Case Syllabus (G.R. No. 111009-12)
Parties and Procedural Posture
- People of the Philippines prosecuted SPO1 Jose Flores y Salinas, PO3 Romeo Artienda y Galvez, PO3 Manuel Corpuz y Lacuata, PO1 Amado Merca y Lopez, and PO3 Edwin “Eden” Tubiera y Detabli for multiple offenses arising from a single criminal episode.
- The accused also included Leonito Macapagal, who was charged jointly and tried with the others but was acquitted by the Regional Trial Court of La Trinidad, Benguet for insufficiency of evidence in each case.
- The Regional Trial Court rendered a joint decision on 2 July 1993 convicting the five (5) accused-appellants in each criminal case where they were found guilty.
- The five (5) convicted accused-appellants appealed to the Supreme Court, assigning errors that essentially sought acquittal.
- The Supreme Court affirmed the trial court’s joint decision in toto.
Key Factual Allegations
- The informations alleged that the accused, then members of the Philippine National Police Force, conspired and used motor vehicles, evident premeditation, abuse of superior strength, cruelty, and deliberate intent to kill against multiple victims on the Naguilian Road, Banangan, Municipality of Sablan, Province of Benguet.
- Criminal Case No. 92-CR-1358 charged Murder with Unintentional Abortion for killing Vivian Gonzales Diones, a married woman five (5) months pregnant, and causing the death of the fetus in her womb.
- Criminal Case No. 92-CR-1365 charged Murder for killing Laurita Diones Nitcha.
- Criminal Case No. 92-CR-1366 charged Murder for killing Zenaida Diones Ragadi.
- Criminal Case No. 92-CR-1407 charged Frustrated Murder, alleging that the accused attacked and inflicted mortal wounds on Myrna Diones y Nitcha, dumped her body, and performed acts that would have produced Murder, but death did not occur due to timely police assistance and medical aid.
- The information for frustrated murder further alleged the accused took advantage of their positions as public officers and that night time facilitated the offense.
Trial Court’s Disposition
- In Criminal Case No. 92-CR-1358, the trial court found Jose Flores y Salinas, Manuel Corpuz y Lacuata, Romeo Artienda y Galvez, Jr., Amado Merca y Lopez, and Edwin Tubiera y Detabli guilty of Murder with Unintentional Abortion, and imposed reclusion perpetua and proportionate costs.
- In Criminal Case No. 92-CR-1358, the trial court acquitted Leonito Macapagal for insufficiency of evidence.
- In Criminal Case No. 92-CR-1365, the trial court found the same five (5) accused-appellants guilty of Murder, and imposed reclusion perpetua and proportionate costs.
- In Criminal Case No. 92-CR-1365, the trial court again acquitted Leonito Macapagal for insufficiency of evidence.
- In Criminal Case No. 92-CR-1366, the trial court found the same five (5) accused-appellants guilty of Murder, and imposed reclusion perpetua and proportionate costs.
- In Criminal Case No. 92-CR-1366, the trial court again acquitted Leonito Macapagal for insufficiency of evidence.
- In Criminal Case No. 92-CR-1407, the trial court found the same five (5) accused-appellants guilty of Frustrated Murder, and imposed an indeterminate sentence of Ten (10) years of prision mayor as MINIMUM to Seventeen (17) years and Four (4) months of reclusion temporal as MAXIMUM, plus proportionate costs.
- The trial court acquitted Leonito Macapagal in Criminal Case No. 92-CR-1407 for insufficiency of evidence, and cancelled his cash bond for temporary liberty.
- The trial court made no pronouncement on civil liability, because the spouses of the deceased victims and the parents of Myrna Diones filed a separate civil action for damages.
Prosecution Narrative and Evidence
- Myrna Diones y Nitcha, the lone survivor, testified about the events beginning June 17, 1992, when she and her relatives went from Pangasinan to San Fernando, La Union.
- Myrna testified that at a waiting shed, Virginia Manzano informed her group that Toribio Diones was out of town, prompting the group to proceed to the market.
- Myrna narrated that at the market, she went to a drugstore while her companions remained near pants being displayed.
- Myrna testified that she noticed a male person near her, which she later identified in court as accused Edwin Tubiera.
- Myrna stated that after her companions left the display area and they began walking, Tubiera followed them and accused them of being thieves.
- Myrna testified that Jose Flores used a hand-held radio, after which three policemen arrived, and Flores directed that the girls be brought to “Station B.”
- Myrna identified Leonito Macapagal as one of the policemen who boarded the vehicle at the back and sat beside the door.
- Myrna described detention at Station B in a small cell, including that she and her companions were fed by Tubiera, and that they remained detained through the night and into the following day.
- Myrna narrated that a cook told the girls to tell the truth because the men were killers, but the girls replied that there was nothing to tell.
- Myrna testified that during the early morning of June 19, 1992, Leonito Macapagal told them they were going to see the mayor, but she admitted on cross-examination that Jose Flores came to the cell at that early time.
- Myrna testified that at the station the girls were made to board a white Ford Fiera, while Laurita was placed in a red car with another tall man.
- Myrna identified the seating and roles inside the Ford Fiera, including Flores occupying the front seat and Artienda driving.
- Myrna narrated that Flores ordered handcuffing, and the accused placed the victims’ hands behind their backs and handcuffed Myrna, Vivian, and Zenaida.
- Myrna testified that the vehicle contained a tire, rope, and a piece of rounded wood with pointed ends, and that she observed these items due to a light inside the vehicle.
- Myrna stated that the accused directed tying with ropes, and that Merca tied a rope around Zenaida, Corpuz tied a rope around Vivian, and Tubiera tied a rope around Myrna’s neck.
- Myrna testified that she saw Merca and Corpuz maul Zenaida and Vivian, respectively, and that Tubiera stabbed her left eyebrow and struck her head three times until she fell unconscious.
- Forensic recovery and the “salvage” context were established by police testimony and scene investigation, including the discovery of bodies with strangulation marks and stab wounds near the Naguilian Road.
- The police investigation found a first dead female victim with signs of strangulation and stab wounds, a second dead female with a nylon rope around her neck and stab wounds, and a third victim who was Myrna alive but unconscious.
- Police interviewed Myrna at the Baguio General Hospital after she regained consciousness, and she related that she was picked up by men believed to be from the San Fernando Police force.
- Investigators later conducted photograph viewing and line-ups to identify the accused from among policemen in San Fernando, La Union.
- Myrna initially singled out five photographs, later identified five persons in a line-up supervised by Major Mario San Diego and Colonel Amado Espino, and later identified Leonito Macapagal through another line-up.
- The prosecution filed the murder and frustrated murder informations based on these identifications.
Identification Process Discussion
- The Supreme Court considered the positive identifications as crucial proof because Myrna identified the accused (1) from photographs, (2) in line-ups, and (3) in open court.
- The Supreme Court noted that the line-ups occurred under the supervision of senior police officials, which negated insinuations that Myrna was coached or coerced.
Defense Theory and Alibi Evidence
- The accused-appellants raised individual alibis, contending that they were at their respective posts or at home at the times of the crimes.
- SPO1 Jose Flores testified that he reported for duty at 8:00 a.m. on June 17, 1992 and claimed he remained at the Canaoay Police