After visiting Erik and Lyle Menendez in prison, Kim Kardashian has penned an essay demanding they be freed. "I have spent time with Lyle and Erik; they are not monsters," Kardashian wrote in an essay for NBC News. "They are kind, intelligent, and honest men." The brothers were convicted of killing their parents in 1996. The renewed interest in the case comes after the Netflix true-crime series Monsters was released in late September. "With their case back in the spotlight - and considering the revelation of a 1988 letter..."