Attempted murder it was not. Unacceptable behavior it was.
It has been turned over to law enforcement. In fact, a law enforcement officer, in another video, can be seen grabbing one of the MSU players. Based solely on my review of the videos, and the comments of J. Harbaugh concerning injuries, at least one or more of the perpetrators is likely to be charged criminally with assault inflicting serious or aggravated injury.