this article speaks clearly about the possibilities in the oklahoma city bombing and it ain't what the tv will tell you;

Oklahoma City bomber Timothy McVeigh (1968-2001?) and  David Paul Hammer (b. 1958) were among the first group of inmates to be housed in the newly refurbished death row wing of Indiana’s Terre Haute maximum security penitentiary, where they were eventually placed in adjacent cells. The two men spent 23 months as neighbors and spoke to one another on almost a daily basis.
During Hammer’s time on death row at Terre Haute, he wrote two books on the Oklahoma City (OKC) bombing that killed 168: autobiography “The Final Escape, Secrets Worth Dying For” (2004) and “Deadly Secrets: Timothy McVeigh and the Oklahoma City Bombing” (2010) co-authored with Jeffery William Paul. The books are based on first-hand knowledge gleaned in conversations from Timothy McVeigh right up to McVeigh’s execution.
“Deadly Secrets” is an incredible, insightful and I believe credible read. For those who actually do read it, you will see that it’s detailed and accurate to such an extent that it seems unlikely to have been written by someone sitting in a maximum security prison without considerable insider input.
Read “Deadly Secrets: Timothy McVeigh and the Oklahoma City Bombing“
Best truther documentary on the Oklahoma City bombing: “The Noble Lie”
Hammer writes, “With assistance from attorneys and their investigators, and from journalists, I have tried to verify the information McVeigh provided. We have obtained thousands of documents and exhibits via Freedom of Information Act requests and litigation. My attorney or his investigator has interviewed some of the individuals mentioned by McVeigh.”.........https://www.winterwatch.net/2018/12/hidden-in-plain-sight-the-truth-about-timothy-mcveigh-and-the-oklahoma-city-bombing/