Crump has been dubbed "Black America's attorney general" by civil rights activist Rev. Al Sharpton. Here's what to know about William McNeil's lawyer.

William McNeil, Jr., whose violent arrest by deputies in Jacksonville, Florida, sheriff's has gone viral, tells ABC News' Linsey Davis what was going through his mind as the incident unfolded.

Attorneys for William McNeil Jr., 22, say he’ll be joined by family and community members for a news conference Wednesday morning.

Standing with civil rights attorneys Ben Crump and Harry Daniels, William McNeil Jr. spoke publicly for the first time since his February 19 arrest.

A viral video of a February traffic stop shows officers in Jacksonville, Florida, arresting William McNeil Jr. after one of them broke his car window and hit him in the face, prompting an investigation.

The Jacksonville Sheriff's Office alleges William McNeil Jr., 22, was reaching for a knife during the traffic stop before officers used force.

William McNeil Jr., a 22-year-old Black man, was pulled over by Jacksonville officer D. Bowers in February. McNeil used his phone to capture footage of the traffic stop, which went viral this month on social media.

A traffic stop in Florida that erupted into violence and went viral appears to be heading toward a legal battle.