The Leonard Lake and Charles Ng case was not considered a case until their vehicle was searched after Charles was caught shoplifting. When the vehicle was searched the police had found illegal weapons. When Lake was taken in for have illegal weapons, he decided to commit suicide. Police then had open a case on Leonard Lake and Charles Ng, because of this their were no documented suspects.
Although their were no real suspects, the wife of Leonard Lake, Claralyn Balazs, was sometimes considered an accessory to the crime. She was never convicted because she was granted immunity before she admitted to anything. Although, she said that she didn't know about her husbands killings, many believe she may have helped them trap many of the women.