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Key Suspect 'Gampaha Osman' Arrested in Ganemulla Sanjeewa Murder Probe
The Pulse
CrimeHOTThursday, May 14, 2026

Key Suspect 'Gampaha Osman' Arrested in Ganemulla Sanjeewa Murder Probe

TLDR

  • 'Gampaha Osman' arrested as 44th suspect in 'Ganemulla Sanjeewa' murder.

  • Allegedly supplied the pistol used in the court shooting.

  • 72-hour detention extended to 90 days for probe.

  • Investigation includes foreign criminals and planning.

Police have arrested Osman Gunasekara, also known as “Gampaha Osman,” in Gampaha for allegedly aiding and abetting the murder of Sanjeewa Kumar Samararathna, alias 'Ganemulla Sanjeewa'. The victim was shot and killed inside the Colombo Magistrate’s Court premises on February 19, 2025, by an individual disguised as a lawyer. During Gunasekara's arrest, authorities recovered a foreign-manufactured repeater shotgun, two magazines, and 10 rounds of ammunition. The Colombo Crimes Division is leading the investigation and has secured a 72-hour detention order for further questioning.

4 Updates

Update #5\u00b7 May 17 · 7:16 AM

Osman Gunasekara, alias 'Gampaha Osman', has been identified as the 44th suspect in the murder of Ganemulla Sanjeewa. Police informed the Colombo Chief Magistrate's Court that he supplied the firearm used in the killing. Following his arrest and initial 72-hour detention, authorities have sought a further 90-day detention order to continue questioning him.

Update #4\u00b7 May 15 · 12:31 AM

New reports indicate that Osman Gunasekara, alias 'Gampaha Osman', allegedly provided the pistol used in the murder of Ganemulla Sanjeewa. The Colombo Crimes Division has been granted a 72-hour detention order to question him, and investigations confirmed a foreign-made repeater firearm, two magazines, and ten bullets were seized from his residence. This follows previous reports of his arrest and ongoing investigations into planning and conspiracy.

Update #3\u00b7 May 14 · 6:48 AM

Osman Gunasekara, alias 'Gampaha Osman', has been detained for 72 hours by the Colombo Crimes Division in connection with the murder of Ganemulla Sanjeewa. Investigations indicate the crime involved planning and conspiracy with organized criminals abroad. The suspect was arrested in the Sri Bodhi Road area of Gampaha.

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