Waterloo Regional Police are hoping leads from the public will help apprehend a violent offender.
Warrants have been issued for the arrest of 20-year-old Jade Mammer.
It's alleged Hammer committed a robbery and assault with a knife and held the victim against his will.
She's wanted on eight charges including uttering death threats and robbery with a weapon.
Hammer is described as white, 5-feet-5 with a thin build, 101 pounds, blonde hair and hazel eyes.