Rockstar spawn sent a package containing dog crap to TV actress

What B-list rockstar spawn sent a package containing dog crap to that B/C-list mostly TV actress currently on a network sitcom after her daughter overheard her calling the spawn’s deceased father and ex-husband junkies and drug zombies?

Rockstar spawn: Lisa Marie Presley
B/C actress:
Network Sitcom:
Daughter: Riley Keough
Spawn’s deceased father: Elvis Presley
Spawn’s ex-husband: Michael Jackson

Source: Mr. X via http://www.crazydaysandnights.net