A 58-year-old Arima man was killed in Wallerfield on Monday.
Around 10:45am, Fiazam Hosein, was collecting money on behalf of a property owner he worked for on Moonan Road Extension, Wallerfield, when he was shot several times.
The gunshots were heard by residents who immediately notified police.
Hosein was found near his blue Toyota Aqua car, bleeding from bullet wounds to the head.
Crime Scene investigators found a live 9 mm round.