For the boundaries of who’s responsible for a mass school shooting to continue to be pushed, prosecutors would have to consider a number of critical questions to determine whether to hold the Florida State University school shooter’s mother accountable for her son’s actions.

Two people were killed and six others, including the alleged shooter, were hospitalized after a Thursday shooting at Florida State University.

Two people were killed and six others injured at Florida State University in Tallahassee on Thursday, authorities said, after a college student opened fire on campus.

Transit police in Boston are investigating a shooting on a subway platform at Harvard University that prompted the school to issue a shelter-in-place order for students and staff.

Transit police in Boston were investigating a shooting on a subway platform at Harvard University on Sunday that prompted the school to issue a shelter-in-place order for students and staff. Authorities temporarily rerouted passengers on part of the city’s subway system to shuttle buses as officers from various departments searched for a suspect.

Transit police in Boston are investigating a shooting on a subway platform near Harvard University that prompted the school to issue a shelter-in-place order.