In the 1950s Harvey's programs began taking on a paranoid twist. Maybe he was inspired by McCarthy's witch hunt. He criticized poor security at government installations. He got fixated on nationalistic ideas. He'd always been a populist and a conservative but the mood of the day drove him to strange depths. It's probably why he sprung to action when heard about poor security at Argonne National Laboratory a nuclear research facility.
In 1951 a security guard at the facility named Charles Rogal, reported the slacker security at the site to Illinois Rep. Fred Busbey [R], a personal friend of Harvey's. The whole idea of it stuck in Harvey's craw. The Rosenbergs had stolen nuclear secrets for the commies in the 1940s and Harvey was still pissed. (No really, Harvey is an absolutely rabid anti-communist.)
Harvey brought two friends, Rogal and John Crowley (from the office of naval intelligence.) They entered the Argonne compound at night in the dead of winter. But the entry was bungled, at the top of the 10-foot fence, his winter coat got caught on the barbed wire. While he struggled to disentangle himself, he was detected patrol discovered him.
Crowley and Rogal were more covert. They hid in the bushes, then after the patrol left with Harvey, they left. However they left their wallets and papers in Harvey's car nearby. So they two were identified. Harvey was turned over to FBI agents.
Were he convicted, he could have been fined up to $10,000 and sentenced to up to 10 years in prison. In 2005, he was awarded the Presidential Medal of Freedom by President George W. Bush. Any of the rest of us would still be in prison.