This isn't news by any means, but LaRon Landry has missed OTAs to work out on his own. The issue has been discussed enough, but this article by Paul Kuharsky has some interesting quotes in it.
“We'd obviously like to see him here with his teammates,” Colts general manager Ryan Grigson said. “But we know how strict and focused LaRon is and has always been in regards to his offseason training regimen. The guy is elite in that regard. We knew this going in."