Not a lot of info out there about this lad, looks like an "under the radar" player, but looks like he has the tools at 6'1", 225#, 4.6 40:
Some video from his junior season:
And an interview from an OSU blog:
Pretty impressive stats for his senior year, although it's unclear why he only played in 7 1/2 games. Injuries? 135 tackles, 92 solo, in 7 1/2 games?
http://cincinnati.com/blogs/recruiting/2012/12/06/ hamilton-senior-linebacker-marcus-oliver-verbally- commits-to-indiana/