The stolen weapons remind me of Charles Ng. He is a serial killer on death row for killing a bunch of Californians in the 80s with Leonard Lake. His kleptomania is what caused him to be court martialed from the Marines and eventual caused him and Lake to be arrested. Ng is from a very wealthy family from Hong Kong and the murders had ties to Satanism.
murderpedia.org/male.N/n/ng-charles.htm
psychologytoday.com/us/blog/shadow-boxing/201305/sexual-captivity