Erika, 47, shared the tweet from an account that has since been deleted. "@erikajayne has someone shot your son yet? You probably could care less since you didn't raise him. Maybe he's better off dead."
The "Pretty Mess" singer captioned the disgusting tweet with "This is disgusting."
Her RHOBH costars were just as livid as Erika was. "F***ING DISGUSTING," Lisa Rinna wrote.
Teddi Mellencamp went a little deeper. "It is truly disgusting the things people are saying and threatening. Enough is enough."
Erika shares Tommy with her first husband, Thomas Zizzo.
Andy Cohen asked Erika if Tommy would ever appear on RHOBH during her recent appearance on Watch What Happens Live. “I don’t think so,” she admitted. “He has a private life. He’s a police officer, so… you know.”