A source says a Newport Coast man's claim that someone else killed his wife and forced him to take her body to the Mexican border doesn't add up because no one else was seen in his car, even by a CHP officer who tailed his car at one point.

Peter Gregory Chadwick, 48, pleaded not guilty Monday to a single count of murder for financial gain. He remains jailed on $1.5-million bail.

Prosecutors say Chadwick, a wealthy business executive who lived in a $2.5-million home along the exclusive Newport Coast, killed his wife Wednesday as they fought over a possible divorce and related financial issues.

Read more at the LA Times