Take a look inside the dangerous mind of Melbourne's most feared underworld executioner - Andrew "Benji" Veniamin - and gain unprecedented insight into his world through an exclusive interview with former gangland wife Roberta Williams, who held vigil over Veniamin's body after he was gunned down in Melbourne in 2004. Police believe Benji had killed seven men, some of them senior underworld figures, some of them his close friends, but the Victorian police never managed to bring a single murder charge against him.