Was engineer in deadly Amtrak wreck distracted?

AP Photo/Elaine Thompson

The engine from an Amtrak train crash onto Interstate 5 two days earlier is checked by workers before being transported away from the scene, Wednesday in DuPont, Wash.

AP Photo/Elaine Thompson

A cloud of smoke billows out as a transport vehicle carrying the engine from an Amtrak train that crashed onto Interstate 5 on Monday, begins to climb a small hill while leaving the scene, Wednesday. in DuPont, Wash.

DUPONT, Wash. — Federal investigators in the deadly Amtrak wreck want to know whether the engineer was distracted by a second person in his cab as his train hurtled into a curve at more than twice the speed limit.