Homicide detectives have charged three men with murder following an 18-month-long investigation into the shooting death of a man at Roxburgh Park.

Anwar Teriaki, 21, was gunned down as he ran from his alleged killers along Coronet Avenue on August 9, 2017.

Anwar Teriaki Credit:Victoria Police / Supplied

It was later revealed the alleged killers may have waited for outside Mr Teriaki's parents' home for close to 40 minutes before they shot him.

The alleged murder is believed to be linked with a jailed underworld figure.