Ed and Paula Kassig, parents of Peter Kassig, speak during a news conference Monday, Nov. 17, 2014, in Indianapolis. Peter Kassig was captured Oct. 1, 2013, while delivering aid in Syria through a relief organization he founded. The White House confirmed Peter Kassig's death Sunday, Nov. 16 after the Islamic State group released a video showing that Kassig had been beheaded. (AP Photo/Darron Cummings)

Kassig’s parents: Son believed in good

INDIANAPOLIS (AP) — The parents of an Indiana aid worker who was beheaded by Islamic State militants said Monday their hearts are battered b…