Board Thread:The Flash discussions/@comment-9346948-20170426001441/@comment-24152851-20170427162546

How was it proven? They didn't show who Savitar was. What we did get to see is a very broken grief-stricken Barry who could very easily do something immoral and go down a villainous path.

And of course if it was the case, Savitar would be a Barry from even further in the future, not 2024 Barry.