The Sparks Police Department is asking for the public’s help to find the woman wanted for a February 14th murder. Secret Witness is offering a $1500 reward for information leading to the arrest and conviction of Katrina Cavahlo. Cavahlo was believed to have been involved in a confrontation at an apartment complex on El Rancho where 24-year-old Vintell Johnson was murdered. If you see her, contact law enforcement and do not approach her.