he appeared in public vowing to fight the charges against him. as linsey davis reports, his arrest has reignited the debate about race and law enforcement in this country. >> reporter: this viral video of the arrest of the martese johnson, 20-year-old student at the university of virginia leading to tension and turmoil at uva's campus. the governor calling for a criminal investigation. >> we're going to get to the bottom of it. someone will have to answer. >> the arrest caught on tape. the college junior requiring ten stitches after witnesses say officers acted with unnecessary force early wednesday morning outside of a bar popular among students. >> i go to uva. i go to uva! i go to uva. >> stop fighting. >> you racists. you racists. >> johnson was reportedly refused entry in to this pub and approached by officers enforcing