AC360 Exclusive: James Foley's mother on receiving a massive ransom demand by e-mail

Diane Foley spoke exclusively with Anderson Cooper about the kidnapping and murder of her son, journalist James Foley. She put the blame squarely on ISIS, but she also said that she felt "our country let Jim down." She also spoke to Anderson about her son’s time in captivity, the handling of an e-mail demanding an impossible random, the release of Bowe Bergdahl and the launch of the James Foley Legacy Fund and Foundation.

Justice Correspondent Pam Brown reports on the government's response to Diane Foley's allegations.