I would be surprised if they hadn’t been infiltrating sleepers for decades.
Look at how many elected pols needed help from the opposition party voters to get elected/reelected.
Look at how many are currently relying on help from the opposition party voters to get reelected.
That is how the so-called uniparty got power.
Yes, it’s been going on for decades...
The uniparty is built on the 17th Amendment.