The Killing Machines (2007)

When a Gulf War hero loses his wife to a gunman. He becomes a killer for hire by the mob. During his years of mourning he trains his two girls (9 and 10 years old) to follow in his violent footsteps. When their dad is setup by the mob for murder, the girls with the help of their retired assassin uncle, have to finish the mob's dirty work to get their dad home.