Background
Lucas Fragozo dos Santos was convicted of a drug-related offense following a police operation that included entry into his home without a judicial search warrant. After his conviction became final on appeal, he sought relief by filing a habeas corpus petition at the Superior Tribunal de Justiça (STJ), arguing that the home entry was unlawful — carried out without a warrant, without founded reasons, and without valid or documented consent — and that all evidence derived from it should therefore be suppressed. He contended that the operation rested only on generic anonymous tips, an inconclusive stakeout, an informal statement that was later retracted, the absence of audio-visual recording, and the seizure of only a small quantity of narcotics.
The reporting justice (relator) denied the writ at the outset, holding that the petition was being used as a substitute for a criminal-review action (revisão criminal) — an impermissible procedural maneuver once a conviction has become final. The petitioner then filed an internal appeal (agravo regimental) asking the full Sixth Panel to reconsider, insisting that the blatant illegality of the home entry warranted the court to look past the procedural bar.
The Court’s Holding
The Sixth Panel unanimously denied the agravo regimental, affirming the original decision in full. The court reiterated that a habeas corpus petition cannot serve as a vehicle for relitigating a final conviction; that function belongs exclusively to the formal revisão criminal, over which the STJ has jurisdiction only regarding its own prior judgments. Because the conviction at issue arose from a lower-court appeal, using habeas corpus to reopen the merits fell outside the court’s proper procedural channels.
On the substantive claim, the panel found that the alleged home-entry violation did not survive scrutiny. The court held that prior police surveillance (monitoramento prévio) conducted before the entry provided sufficient grounding for the officers’ subsequent action, negating any illegality. The court relied on its own Fifth Panel’s precedent in REsp 2.148.822/PR (decided February 18, 2025, reporting justice Ministra Daniela Teixeira), which had upheld comparable police conduct under similar circumstances. With neither a procedural nor a substantive ground for relief established, the petition was dismissed.
Key Takeaways
- A habeas corpus petition filed at the STJ cannot substitute for a formal revisão criminal; once a conviction is final, re-examination of the merits requires the proper statutory remedy.
- Warrantless home entry by police may be lawful when preceded by documented prior surveillance that supplies the “founded reasons” (fundadas razões) required under Brazilian constitutional and procedural law — generic anonymous tips alone are insufficient, but surveillance corroboration can bridge that gap.
- The STJ’s Fifth Panel precedent in REsp 2.148.822/PR is now expressly followed by the Sixth Panel, signaling cross-panel alignment on the surveillance-plus-entry standard.
- The small quantity of drugs seized and the absence of audio-visual recording do not, by themselves, invalidate an otherwise lawfully conducted search if independent evidentiary grounding exists.
Why It Matters
This decision reinforces the STJ’s firm procedural boundary against using habeas corpus as an all-purpose workaround for final convictions, a recurring litigation strategy in Brazilian criminal courts. Defense attorneys should note that, absent truly exceptional and patent illegality, the court will not permit the writ to do the work of a revisão criminal.
On the substantive side, the ruling adds to a growing line of STJ authority holding that prior police monitoring can satisfy the constitutional threshold for warrantless residential entry. For practitioners advising clients on drug cases, it underscores the importance of challenging — at trial and on direct appeal — the adequacy and documentation of any pre-entry surveillance, since those findings will be nearly unreviewable once a conviction becomes final.