Jennifer Valdes is a true student of indy film making and her film, “Jack O Slasher,” is a prime example. This film is reminiscent of early shot-on-video horror films like “Sledge Hammer” or much of the Troma library. Writing, directing, and editing a film all by yourself can be a daunting task even for the most experienced director. However, by keeping the runtime at barely over an hour, she allows for the pace to be relentless and keeps the campiness [...]