It is predictable, with dim characters, a slow pace and no sense of location whatsoever. But then there are bursts of surprising cleverness and some genuinely funny moments.

It is a little uneven, repetitive at times, with an ending that makes the story feel sort of pointless. But it is also cleverly made, with likable characters and a constant sense of overwhelming dread hanging over every second.

A powerful performance from Danielle Deadwyler lifts this as high as it goes, but it seems to forget its purpose along the way, stumbling toward a blood-soaked anticlimax.

The screenplay is not nearly as clever as it thinks it is, basically hiding its truths while treading water so that it can surprise us at the end.

This is very skillful genre filmmaking, with an understated, no-nonsense, flair. It’s a pleasure to watch.

While the story itself is incredible, as presented here, it just isn’t very interesting.

Mostly, this feels like cheap thrills with little to say about the terror.

What keeps this moving along are its central performances and strange sense of humor, though it's still not enough to hit that next level.

a fascinating psychological thriller; the type that could only be made by a first-time director who doesn’t care about genre rules.

It is entertaining seeing this maniac try to think himself out of trouble for a while, because it isn’t until later that its flaws take over