Board Thread:The Flash discussions/@comment-9346948-20180523070317/@comment-26537965-20180605122725

Stryzzar wrote: Didn't Cisco murder Atom Smasher?

While with Sand Demon. Barry just did what Hunter told him to do, but he seemed surprised when he got killed. Barry was the one, who led him into the trap and told Cisco to activate it, so it counts. Barry himself even apologised to Atom-Smasher for killing him.