There's a couple of things that bothered me about this episode. 1 is if Fred Brower would have just split the money with his wife he still would have had plenty of money to live out the rest of his life very comfortably with.
The second thing is that good old Uncle Leon would have been well taken care of. So greed comes into play here in two different people. Does murder really didn't even need to happen. But driven by greed it did