(NEWSER) – The suspect in this morning's on-air killings had apparently been trying to pitch a story to ABC News over the past few weeks, the network reports. This morning, he faxed a manifesto to ABC after the shooting (a fax the network shared with authorities), and later called to confess.

He said authorities were "after me" before hanging up. The 23-page faxed document, which he calls a "Suicide Note for Friends and Family," says his name is Bryce Williams, legal name Vester Lee Flanagan II, and that it was the Charleston church shooting "sent me over the top" and led to today's shooting.

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