The Idaho search for accused killer Travis Decker has been suspended after authorities confirmed an apparent sighting was nothing more than a look-alike hiker with similar tattoos.

Marshals said the man, who fit Travis Decker's description, was surprised to be targeted by officials in Idaho as a potentially wanted man.

Authorities have ended the Idaho Forest search for Travis Decker, the father accused of killing his three young daughters, after finding a lookalike hiker.