Goofs

When The Virtuoso burns the piece of paper with "White Rivers" written on it, the writing has changed completely from the previous scene.

The waitress tells the virtuoso that she can't drive home because it's snowing and dangerous to drive.

In the next scene, the virtuoso leaves the hotel and goes for a drive. While there is snow on the surrounding land, the road is completely dry and there is no snow visible on the road at all, despite fierce snow falling earlier.

When "the virtuoso" asks for a coffee pot to be left at his table, it disappears in one of the long shots and then magically reappears in the next.

When the waitress shoots the virtuoso the first shot is blank. You can't cause this by removing a bullet from the clip. It's not a revolver. It will fire the bullet regardless of the number of bullets in the clip.

When Abbie tries to shoot the VIrtuoso, you hear the click because he removed the bullet from the chamber, not the clip. But under this circumstance there would not be a bullet chambered for the kill shot as the second round is chambered when the first shot is fired. The only other alternative would be for Abbie to manually cycle the slide, and even though she is off camera, you don't hear that happen.

The Virtuoso picked up his key from pigeon hole 24, yet enters room 25. This is because he uses the key from the pigeon hole to enter the room next to his, The Loner's room.

The Virtuoso spends a large part of the movie explaining his meticulous nature, and spends most of the movie being incredibly cautious. However, when tending to Johnnie's girlfriend, he opens the cap to a peroxide bottle with his mouth, leaving DNA everywhere. He then moves and plugs the space heater in with his bare hands, leaving his prints everywhere, all while holding his gloves instead of wearing them.

The cap of a peroxide bottle is hardly "everywhere" and why should he worry about DNA or prints. In rural, out-of-the-way towns, CSI teams don't turn out for burglaries gone bad.

The virtuoso is so careful, yet when he poisons the man in the motel he takes off his gloves when handling the glass. Which would leave obvious fingerprints.

Mistaken observation. He touched the glass once, swirling it to dissolve the powders he added. He put his glove on that hand before touching it.

When Handsome Johnnie shoots his girlfriend in the back, she takes the full blast to her lower back. She would have almost certainly been paralyzed by the blast, yet was able to kick her legs and run within a minute of taking the shot.

Mistaken observation. At 01:09:30, the impact can be seen very briefly and at 01:09:42, after she was shot, she feels the wound on her left side near her hip. The gauge and load of the gun is unknown. She could have been hit by a few shot pellets, 410 birdshot or even rock salt.

It is established that handsome Johnnie is a killer. Why would a hardened killer load his weapon with rocksalt?? That makes no sense.

Handsome Johnnie's girlfriend was shot and leaving blood marks all over the house. Seconds later, the blood on her hands is is completely dry in obvious rivulets, despite smearing it all over the house and door, meaning rivulet formation would be impossible.

That's not what that means. The blood on her hand, which smeared into rivulets and was replenished by her touching the wound at least one more time, clotted before it dried.

When the protagonist discovers the dead body of the real Sheriff in the trunk of the car he should have realized that the waitress Dixy acted like she knew the impostor when he walked into the diner earlier, she offered him a pastry "for the road" and if the protagonist was as observant as he purports himself to be then he should have ended her life as soon as he walked back into that hotel room and found her still sleeping on that bed.

That's a thin line of reasoning, for somebody acutely concerned about collateral damage, to jump to killing her based on her maybe knowing the fake deputy. A real waitress would also try to increase pastry sales. Tenuous.

When the virtuoso kills the sheriff, he uses and H and K sub machine gun. Then says the crime will be investigated by police as a murder committed by burglars. What blue collar burglar uses a sophisticated weapon like that to commit a crime? Must be one high end thief. Forensics would also determine that the marking on a shell would match that style weapon. And yes, forensics would investigate especially since it was a homicide committed on a man impersonating a police man.