MILWAUKEE -- U.S. Marshals are looking for 49-year-old Willie Hannah.
Hannah is wanted for parole violations but the felon has a wrap sheet dating back thirty years.
In 2004 the convicted felon and sex offender was sentenced to nine years in prison for shooting at a man during an argument over a debt.
Agents say Hannah is violent and has a history being involved with guns. He's been connected or suspected of being involved in several homicide investigations. Hannah goes by the alias, "Dolla Bill."
Hannah is 6'0" and weighs 260 pounds. He has a tattoo of a six-sided star on his upper-left shoulder indicating membership with the Gangster Disciples.
Anyone with information on his whereabouts should call U.S. Marshals at 414-297-3707.