On February 2nd, Kellyanne Conway said that Trump’s refugee ban was justified because of the Bowling Green "Massacre.” She said that it didn't much coverage in the press. Maybe that's because, there is no such thing.
She made the statement in an interview on Hardball with Chris Matthews. The video below is a part of that interview. Conway mentions it around 2:50.
Conway's gaff opened up a flood gate of responses. Enter Twitter Trolls.