Yep. I've been rewatching some of the first two seasons. They are also airing the Suspect Behavior episodes. Ion also shows quite a few movies.Don't forget Criminal Minds.
Actually, ION's ratings are pretty good, so I would think this isn't financial. I believe they hold exclusive licenses for all those L&O shows and they are popular with a certain segment, i.e. 25-50 yo viewers.not enough money to get the programming