A 36-year-old man was shot dead while in his car at Temple Street in Arima on Thursday afternoon.
The victim has been identified as Keron Richardson, 36, of Liverpool Circular, Temple Street.
According to police, around 3 pm a relative heard a gunshot and upon checking saw Richardson slumped over the steering wheel of his vehicle, a grey Nissan Cube.
Richardson was shot once in the head.
He died on the spot.
Police said they were told that Richardson had left home at about 9 am to purchase grocery items.
Officers are yet to determine a motive for his killing.