Ingmar IS a prime suspect. I presume Condit is as well.
Cross him off your list. From the Washington Post story, it sounds like it was Geragos who floated this red herring in the first place. If they had the perp in jail already, the cops would be on him like white on rice, just like the Chief says. It's not like the cops actually want to have a high-profile case unsolved, the perp at large, and an ongoing confrontation with a powerful, middle-of-the-road congressman. They want the monkey off their backs, naturally enough. Condit's various slimeball mouthpieces have been hard at work pushing the random killer angle from Day 1, coz if Gary didn't kill her, who did? I mean her world revolved around Gary, right?