There's more to it than that. This was in response to a question about whether financial difficulties had anything to do with massacre. Read the whole article. It's not that long. For copyright reasons, I quoted the bits with the most direct quotes because I felt that was the meat of the article, but there's more informative material at the source.
They are/were wealthy. So far, there’s an apartment building sale in Calif for $3.2mil that the brother and mother were partners on, and another apartment complex in Mesquite, Texas that reportedly sold for $8M. He’s got $2M net in real estate in Nevada and whatever was/is left of the $11M minus bro and mom’s share, and maybe some other property in California, like an apartment complex in Hawthorne.