Two Senate committees have scheduled a joint hearing next week to find out more about how computer files were mistakenly deleted by staff in the state IT office. The hearing before the Senate Communications and Technology Committee and the State Government Committee is scheduled for Wednesday. Pennlive reports that bungling by Information Technology staff led to thousands of state police records being deleted January 3rd. State Employees’ Retirement System records were also deleted. The incident involved 77 state computer system servers.