The Alibi (movie, 2006)

Con man Ray Elliot decides to leave crime behind to start a company that sells fake alibis to clients who have been unfaithful to their significant others. It seems that the streetwise Ray has found his calling, until he unexpectedly becomes a murder suspect in a case involving one of his most influential customers. Now, as the police and an assassin called "The Mormon" track Ray, he and his attractive assistant, Lola, must clear their own names.