It's been 24 hours since a college student gunned down two of his roommates--killing one, wounding another-- before turning the gun on himself.  Now those who knew the gunman are coming forward, ... more 
It's been 24 hours since a college student gunned down two of his roommates--killing one, wounding another-- before turning the gun on himself.  Now those who knew the gunman are coming forward, and lawmakers are weighing on the issue of mental illness and gun control. Rochelle Ritchie has more. less 
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CBS-Baltimore
Wed, Feb 13, 2013 5:40 PM EST