Carl Williams was an Australian criminal known for his involvement in organized crime during the late 1990s and early 2000s. He was a key figure in the Melbourne gangland wars, which involved violent conflicts between rival gangs over drug trafficking and territory. Williams was often referred to as the "Mr. Big" of the Melbourne underworld. In 2007, Carl Williams was convicted of multiple murders and sentenced to life in prison. His criminal activities and subsequent imprisonment drew significant media attention, highlighting the complexities of organized crime in Australia. Williams was killed in prison in 2010, further intensifying the public's fascination with his life and the gangland wars.