Brooklyn anti-violence activist killed in Miami shooting

MIAMI, Florida (WABC) -- Lavon Walker was a giant on the streets of Crown Heights. Walker counted out the victims of deadly gun violence for the acclaimed anti-violence group 'Save Our Streets'. This weekend, Walker was, himself shot to death in Miami.

Authorities are seeking three men who were seen fleeing a diner, where Walker was murdered at 7 a.m. on Sunday. The motive in the shooting is still unclear.

"He's a superman, he's a superman," said Save Our Streets Co-Founder Derick Scott.

Scott says Walker's death is 'unimaginable.

Walker was 30-year-old - he w was a young man who rose from a life of gang violence in the streets. He was determined to save others, and to help them take their lives in another direction.

"Lavon was a strong young man...that's why he was loved," added Scott.

'Save Our Streets' released a statement Monday saying,

"Today we are remembering Lavon "Boo" Walker, founding member of Save Our Streets and beloved father, husband, friend, community member and youth minister. Lavon dedicated his life to working for peace and uplifting communities. Tragically, Lavon was shot and killed in Miami on Sunday morning.Since 2010 Lavon was out on the streets of his beloved Crown Heights working to end gun violence and participating in street interventions and mediations. To us in the office, he was our heart. He was always smiling, cracking jokes and keeping us honest. He saw the vision for a violence-free Brooklyn. We send our condolences to his family and loved ones and will miss him forever. We will continue to do this work in his name.#stopshootingstartliving"