NEW : ` ` The simplest response I have is : I ' m sorry , '' Petrino says in response . ' ` ` knowingly misled the police department and the university , '' ' ##AM . He calls Petrino 's behavior ` ` reckless and unacceptable '' Petrino had been placed on paid administrative leave last week .
NEW : `` The simplest response I have is : I 'm sorry , '' Petrino says in statement . Petrino `` knowingly misled the athletics department and the university , '' AD says . He calls Petrino 's behavior `` reckless and unacceptable '' Petrino had been placed on paid administrative leave last week .