Left handed killer plot point
Hank told Putman he was looking for a left handed killer, but if you watch the killings earlier in the movie, the killer uses right-hand kills. Also, as far as I know, there was nothing in the movie implying Sam was left handed.
Are we to infer Hank didn’t know what he was talking about (and wasn’t as much of a bad ass as he made himself out to be - which would couple nicely with his quick death), or was this just a poorly developed plot point that went nowhere?