Idaho college murders: Brian Kohberger's possible motive

ABC News’ Kayna Whitworth reports on the new James Patterson and Vicky Ward book, 'The Idaho Four: An American Tragedy,' that details what those closest to the victims think may have been the motive behind admitted killer Bryan Kohberger's brutal crime.

0:00-0:28 'The Idaho Four: An American Tragedy' Introduction
0:29-0:42 New Details From Those Close to Madison Mogen, Kaylee Goncalves, Xana Kernodle, Ethan Chapin
0:43-1:03 James Patterson and Investigative Reporter Vicky Ward's Reporting
1:04-1:17 Family and Friends Believe Madison Mogen Was Bryan Kohberger's target
1:18-1:31 What Bryan Kohberger's Cell Phone Records Say
1:31-2:46 Emily Alandt's Dream About Brian Kohberger's Motive
2:47-3:05 Madison Mogen's Death
3:06-3:41 Dylan Mortensen, The Surviving Roommate, Shares Details on Killer
3:42-3:54 Bryan Kohberger Admits He Killed Four Friends
3:55-4:22 Details on James Patterson and Vicky Ward's book, 'The Idaho Four: An American Tragedy'
4:23-4:35 James Patterson On 'The Idaho Four: An American Tragedy'

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