forgot to mention the first one to apologize for this entire incident wasn't the bus full of racist chanters but the guy who made the mistake of swearing when he reacted to the bus full of racists. ( laughter ) but don't worry, those s.a.e. kids deeply regret that someone filmed this. >> parker rice the fresh-faced frat boy leading members of s.a.e. in that now-infamous chant, is apologizing publicly writing, "i am deeply sorry for what i did saturday night. it was wrong and reckless. i made a horrible mistake." he goes on to say alcohol may have fueled his bad decision making. >> jon: oh, may have. ( laughter ) may have. although, not as much as the racism. ( laughter ) unless you were sipping one of them "johnny walker no blacks." or perhaps a bud-white. well, i guess that's what you can expect when you let young, clueless white guys run around without any supervision. >> another video has surfaced. this one appears to show the fraternity's 78-year-old house mother using that same racial slur back in 2013. ( bleep ), ( bleep ) ( bleep ), ( bleep ). >> the former house mom, her name beauton