This was a murder/suicide.  The victim and the shooter were married, and were both 53 years old.   The wife had left her husband, though, and was in the process of seeking a divorce.

The killer had a long criminal history, that included many felonies.  It is unknown how he managed to illegally get a handgun to commit this murder with..

Here is a photo of them together:

https://tribktla.files.wordpress.com/2017/04/cedruc012917.jpg