Mailtrain

2 clues
Jesse James's target
Holdup target of the old West
Similar answers:
Absentmail
Againstthetrain
Airmail
Airmailed
Airmailletter
Airmails
Airtrain
Alphamail
Andromedastrain
Animalmail
Animaltrainer
Anothertrainiscoming
Aolmail
Ashtrainee
Athletictrainer
Atrain
Atrainofthought
Atrains
Atthetraindepot
Backstrain