Gardaí have named the man shot on Cooley Road in Dublin on Saturday as 39-year-old Christopher Zambra.
The man was gunned down in Drimnagh shortly after 3pm, as he sat in his Audi car on Cooley Road.
The victim was a well-known gangland criminal who was heavily involved in the Dublin drugs trade.
The post mortem has been completed and Gardaí are continuing house to house enquiries and the review of CCTV.
Gardaí are renewing their appeal to any person who was on Cooley Road between 2.30pm and 3.30pm to contact them.
In addition, they also want anyone who may have seen the Nissan Qashquai drive into Benmadigan Road where it was then set on fire to contact the incident room at Sundrive Road Garda Station on 01-6666600, The Garda Confidential Telephone Line 1800 666 111 or any Garda Station.