India, Dec. 16 -- A hazy surveillance video released by the Providence Police Department showing a person of interest in the Brown University mass shooting has drawn criticism and ridicule on social media, with some users mockingly saying "Bigfoot would be easier to find."

The clip shows a shadowy figure walking with no identifiable facial features. It shows a figure dressed in dark clothing, appearing to walk down Hope Street and then turning onto Waterman Street shortly after the shooting, but without showing the individual's face, and officials acknowledge it may be of limited use in identifying the suspect.

The video was shared as part of the ongoing investigation into the deadly shooting that left two students dead and nine injured...