Transcript for Trayvon Martin Case: Police Chief Steps Down
We have breaking news tonight in the case of the unarmed black teenager shot dead by -- crime watch volunteer and -- -- the police chief has stepped down temporarily. Saying he had become a distraction in the investigation. ABC's Matt -- is in Sanford Florida with more on the shooter and the people taking to the streets tonight. The resignation tonight came swiftly the man who headed the troubled investigation into -- -- Martin's death. -- out there -- in the hopes of restoring some semblance of -- The sitting. Which has been in turmoil. There -- several weeks. Turmoil over how police handled this case. ABC news learning that the police never interviewed key witnesses such as Martin's girlfriend who was -- the phone with him listening. As the tragedy unfolded. Village position are volatile. And let -- understand -- -- -- My English soccer -- written. They never administered a toxicology tests of the shooter George Zimmermann. After he declared self defense the FBI is now investigating this is -- possible hate crime. In Miami and -- -- high school walking out protests tensions rising -- -- -- regret now with a -- focused now on the shooter. 28 year old neighborhood watch captain. Who shot and killed Martin's unarmed after buying can't. Today the police tell us they don't know where -- -- -- ABC news deployed reporters to learn more about him. Zimmerman grew up as an altar Boy George holds an old neighbor I wrote -- recommendation formed from the top -- kid you know. Very helpful -- polite as an adult there were run ins with the law rests for battery and a police officer and domestic violence. -- he seemed suspicious of black people. Making 49 calls to police in the past year alone. Two African American -- To -- apparently taking. Reporting his suspicions. His friend and former crime watch captain frank -- Thinks he -- snapped this house here we've had several -- sweeps this home right here right next door to it. -- a -- -- we had another potential burglar right here. But -- -- pretty much you know pretty hot zone for a criminal activity defending his father says he's Hispanic growing company multi racial family. And he's not a racist. And that was Matt Gutman reporting for us from Sanford Florida tonight.
This transcript has been automatically generated and may not be 100% accurate.