This Killing Business (2013)

Climb inside the mind of a sociopath an office worker kills his way into management but gets into trouble with his talkative girlfriend and a corrupt detective Jim Collins has decided to kill his way to the top He begins by strangling Harry his manager one night on an abandoned highway Complications emerge when at Harrys wake Jim learns Gail his girlfriend had slept with Harry months ago Being interrogated by the intimidating detective Scott Hume doesnt help things either Jims psychosis kicks into high gear when he decides that Gail who knows that Jim killed Harry and is going to tell the cop has to be terminated