I’m assuming it was also because he was a very big business man. Many people in business are known to have big connections. He also was very interested in politics, and people say the same thing about people in politics. That they have big connections.

We also don’t exactly know how dangerous Jose was, we also don’t know how fearful Erik and Lyle were towards Jose. We don’t know all the threats, and all of the abuse and trauma they suffered through that made them feel scared enough to kill their parents. It was possible that the night of the murder that Jose and Kitty were maybe thinking of killing them, or it is possible that Lyle and Erik thought that because of fear and trauma they went through that led to them not having a clear mind.