Po-Chih Leong
A screenwriter, who lives in a cabin by the lake near Los Angeles, drowns young women, then goes back to visit their bodies and do their laundry.
A screenwriter does research for his new script by actually kidnapping and drowning young girls. He then places them in his "garden" of other dead girls coming back daily to check on them. One girl narrowly escapes and the other bodies are found leading to an ingenious plot to try and capture the killer.