The OKC bombing was considered domestic terrorism
Similar modus
One large attack
Blurred lines over what is terrorism and what is anarchy, crime, serial murder and insanity
OKc was also related to Phillipines with Padilla and Nichols doing trips there, maybe Abu Sayaf Al Qaeda helped them. It was said it was a revenge also by Saddam Hussein for the Gulf War. They also found fertilizer based explosives at the Paddock houses.