Ke$ha's music producer Dr. Luke has been receiving serious death threats since the star went to rehab, with many fans blaming him for her eating disorder.
The LAPD's Threat Management Unit filed legal documents asking for a search warrant to hunt down crazy people who are threatening Luke on Twitter.
The vengeful tweets began after Ke$ha entered rehab for an eating disorder, with TMZ reporting that Luke taunting her about her weight was the catalyst.
Ke$ha's friend said Luke told her she "looks like a f--king refrigerator."
Naturally, her fans blamed Dr. Luke and are going OFF on him. In the search warrant documents, police point out some of the tweets, including: