OMG. You're not kidding? He's been posting a ton of info here on FR for over a year now.
The archives aren't available right now, but here's a few of his articles from my bookmarks...
Others Known to the FBI in the OKC Bombing Case
Three John Does in the OKC Bombing Were Protected FBI Informants
Was the OKC Bombing a Failed FBI Sting Operation?
Assistant US Attorney Murdered or Suicided For Investigating Federal Cover-up of OKC Bombing?
Was OKC Bombing Eyewitness Told What Happened In Failed Government Operation?
UPDATED Report To FR About OKC Bombing Participants
Lives of Public, OKC Bombing Witnesses & Investigator Put In Grave Peril