Alexandra Westmore

When a crop of doped-up athletes from the Lakecrest College swim team dive into the campus lake, the bloodsucking leeches below undergo a stunning transformation. Ingesting small amounts of the swimmers' steroid-laced blood, the slimy creatures grow to unusual size and set out to sink their teeth into an unsuspecting student population.

A Manson-like cult leader disappears after freaking out and hacking up a bunch of his followers with a machete. Thirty something years later some kids come and camp out on the site of the killings. Of course, bad stuff happens.