Story highlights Son had multiple gunshot wounds; mother is also dead, stabbed "multiple times," police say

LGBT people can face abandonment and violence "even within their own family," advocate says

Los Angeles man is charged in son's murder; death of man's wife also is probed

Los Angeles (CNN) The father threatened repeatedly to kill his son because he was gay.

Then he allegedly did so this week.

Shehada Khalil Issa, 69, was charged with using a shotgun in the premeditated murder of his son, Amir Issa, 38, Los Angeles County prosecutors said.

The mother also was found dead inside the family home in the North Hills neighborhood of Los Angeles. She was stabbed "multiple times," police spokesman Mike Lopez said.

Her death is still under investigation; authorities didn't immediately release her name.

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