2005: Parker was arrested for punching a traffic agent who was giving him a ticket for double parking, later participating in an anger management program to resolve the misdemeanor assault charge. Later that same year a staffer would accuse him of threatening her after she accused him of shoving and hitting her when she was working as his office manager.
2008: Parker pushed his aide Lucretia John during an argument, knocking her glasses off her face. Parker then intentionally smashed the glasses by stomping on them, she told police.
2009: In addition to the assault on a reporter, Parker called then-Governor David Paterson a "coke snorting, staff-banging governor" after Paterson cut off some pay for senators amid a partisan fight for leadership of the chamber.
2010: Parker reportedly charged toward state Senator Diane Savino during a contentious meeting of Senate Democrats, reportedly calling her a "bitch" and dropped some "f-bombs." "Do you want a piece of me?" he reportedly asked Savino's boyfriend, then-Senate Deputy Majority Leader Jeff Klein, after Klein intervened.