You might be confusing Steve King who is still a big amnesty fighter with Peter King, who never was. He is a lib goober.
I agree Steve King of Iowa was always a solid conservative and Peter King of New York never was, but no, I'm not confusing them.
PETER King used to always PRETEND to be Mr. Conservative Warrior when his primary election campaign was near, and work the nightly conservative talk shows beating his chest about how strongly pro-life, pro-border security, and anti-Muslim he was. He had numerous fans here who drank all kool-aid he was selling. Gullible conservatives believed it and forgave that RINO traitor for his love affair with the Clintons.
Again, just click on the link below. It's an example of PETER King putting on a dog and pony show back in 2006 and vocally denouncing Bush's amnesty plan: