This falls under the beastly “animal/nature” horror sub-genre where some innocent species becomes the deadly, unstoppable force that the characters have to evade and try to kill. Aside from movies like Jaws or Arachnophobia, most of them are pretty bad.
However, this one surprised me by not being a total waste of time. The biggest reason being the great Robert Forster who plays the homicide detective tasked with unraveling the mystery of the dismembered body parts discovered in the Chicago sewer system. While the gigantic mutated alligator is not that scary, there is plenty of bloody carnage to keep things moving with a pacing that is mostly where it should be. It’s not a movie that I need to revisit any time soon, but if I need some gator mayhem, this is an acceptable choice.
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