<P> The Federal Bureau of Investigation ( FBI ) led the official investigation , known as OKBOMB , with Weldon L. Kennedy acting as Special Agent in charge . Kennedy oversaw 900 federal , state , and local law enforcement personnel including 300 FBI agents , 200 officers from the Oklahoma City Police Department , 125 members of the Oklahoma National Guard , and 55 officers from the Oklahoma Department of Public Safety . The crime task force was deemed the largest since the investigation into the assassination of John F. Kennedy . OKBOMB was the largest criminal case in America 's history , with FBI agents conducting 28,000 interviews , amassing 3.5 short tons ( 3.2 t ) of evidence , and collecting nearly one billion pieces of information . Federal judge Richard Paul Matsch ordered that the venue for the trial be moved from Oklahoma City to Denver , Colorado , citing that the defendants would be unable to receive a fair trial in Oklahoma . The investigation led to the separate trials and convictions of McVeigh , Nichols , and Fortier . </P>
<P> The Federal Bureau of Investigation ( FBI ) led the official investigation , known as OKBOMB , with Weldon L. Kennedy acting as Special Agent in charge . Kennedy oversaw 900 federal , state , and local law enforcement personnel including 300 FBI agents , 200 officers from the Oklahoma City Police Department , 125 members of the Oklahoma National Guard , and 55 officers from the Oklahoma Department of Public Safety . The crime task force was deemed the largest since the investigation into the assassination of John F. Kennedy . OKBOMB was the largest criminal case in America 's history , with FBI agents conducting 28,000 interviews , amassing 3.5 short tons ( 3.2 t ) of evidence , and collecting nearly one billion pieces of information . Federal judge Richard Paul Matsch ordered that the venue for the trial be moved from Oklahoma City to Denver , Colorado , citing that the defendants would be unable to receive a fair trial in Oklahoma . The investigation led to the separate trials and convictions of McVeigh , Nichols , and Fortier . </P>
where was the oklahoma city bombing trial held
where was the oklahoma city bombing trial held
Denver , Colorado
Denver , Colorado