
Life imitates art, which was imitating life in the first place. From the Baltimore Sun:
The article notes that's she's had a "troubled" past, which is one way of putting it. She was convicted of second-degree murder when she was 14. Recently she ordered to testify at a murder trial, refused, and was arrested.
Her wiikipedia page notes that she got her nickname from a local drug dealer who said she reminded him of the dog in "Peanuts." In related news, Baltimore drug dealers read "Peanuts."