He livestreamed a killing. Facebook alerted police, deleted the video, but duplicates spread

Questions facing tech companies about how to regulate live-streamed video are relatively new and legitimately complicated. — Tampa Bay Times/TNS

One of the videos was viewed 16,000 times and shared 191 more. Another logged 56,000 views and 2,300 shares.

There were at least 10, all showing Janice David being stabbed to death.