Boston Robber Breaks Ankle Stealing Phone

A bad thief attempted to steal a phone, but ended up breaking his ankle in the process.
Info From Licensor: "I was trying to sell a phone to someone I met on a Boston Electronics Facebook group, and the kid in the video pulled a knife on me to steal my phone. I chased him over two fences and while he hopped over the second one he broke his ankle, leading up to this video."
Location: Dorchester MA
Occurrence Date: January 2, 2016