Live

Watch CBSN Live

Ex-FBI profiler: Gunman in Dallas police attack was "well prepared"

Mary Ellen O'Toole, a former FBI senior profiler and one of the world's foremost experts on mass shootings, joins "CBS This Morning: Saturday" to explain why the Dallas police ambush was "well-planned" and what the gunman's "unusual" behavior during the hostage negotiation suggests about his personality.
View CBS News In
CBS News App Open
Chrome Safari Continue