Title
Lacson vs. Perez
Case
G.R. No. 147780
Decision Date
May 10, 2001
President Arroyo declared a state of rebellion in 2001; warrantless arrests followed. Petitions challenged constitutionality, but the Supreme Court deemed them moot while affirming arrest legality and constitutional safeguards.

Case Summary (G.R. No. 147780)

Lifting of Proclamation and Mootness

On May 6, 2001 the President lifted the state of rebellion. The Court held that the petitions challenging the proclamation and the legality of warrantless arrests had thus become moot and academic, absent any ongoing state of rebellion to sustain the executive’s extraordinary measures.

Availability of Adequate Remedies

The DOJ affirmed that regular warrants of arrest would be secured for all acts related to the May 1 events. Petitioners retained full access to ordinary remedies: preliminary investigations under Rule 112; inquest proceedings; delivery to proper judicial authorities within time limits under Art. 125, RPC; habeas corpus; actions for arbitrary detention; and civil damages under Art. 32, Civil Code.

Jurisdictional and Justiciability Defects

Mandamus and prohibition were deemed inappropriate because no criminal complaints had yet been filed (prematurity) and petitioners’ claimed fear of imminent warrantless arrest did not deprive them of adequate legal remedies. Laban ng Demokratikong Pilipino lacked personal stake as a juridical entity not subject to arrest.

Scope of Executive Power and Rule of Law

The Court reaffirmed that warrantless arrests outside Rule 113, Sec. 5 exceptions violate the Constitution’s guarantee against unreasonable seizures (Art. III, Sec. 2). A state of rebellion declaration does not suspend the writ or constitutional protection; it merely notifies that the

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