Manila, June 9 -- Six people implicated in the April 28 killing of a businessman and his driver at the corner of Timog Avenue and EDSA have already been identified, police said Tuesday.

In a message sent to reporters, Quezon City Police District (QCPD) Director Brig. Gen. Randy Glenn Silvio said murder complaints are being prepared against the six, whose names he did not disclose to avoid compromising ongoing manhunt operations.

According to Silvio, some of the suspects took part in the surveillance of the primary victim, Ceferino "Perry" Mariano, before the shooting.

"There were other members in the surveillance operation before the shooting," Silvio said, adding that the QCPD was able to identify all the suspects because they had st...