Received call from "Agent O'Brien" or something claiming to be from DEA and asking about online prescription purchase and how he was going to come after me.  Hung up and reported to DEA web site they have a link for people running this scam.  Also reported to local police.

Just got an exact similar call today, October 5th.

Received a call from officer Patrick O'Neal saying he had spoke with me before concerning an ongoing investigation about diet pills purchased online. I confronted the officer saying I looked up the phone number being called from online and that others were saying it was a scam.

Received call from supposed DEA agent Patrick O'Neal of the Chicago DEA, who said he had a warrant for my arrest and a search warrant to search a property @ an address I lived at 10yrs ago! Told him I was busy at work and he would need to explain to my boss why I'm getting this call at work, attempted to give the phone to my boss, but 'Special Agent O'Neil" hung up then.....

Received call from supposed DEA agent Patrick O'Neal of the Chicago DEA, who said he had a warrant for my arrest and a search warrant to search a property @ an address I lived at previously.  Told him I was busy at work and I would have to call him back.  He said he was going to proceed with having me arrested and brought in for questioning, then he hung up.