NEW : The skater 's brother , Mark , was arraigned in January on assault and battery charges in an incident involving his father , but the district attorney 's office would not say if other charges might be filed against the younger Kerrigan in light of the medical examiner 's finding . Death of figure skater 's father on January 24 ruled a homicide . Daniel Kerrigan , 70 , died after a `` violent argument and struggle '' with his son . Mark Kerrigan in jail on assault and battery charges , may face additional charges . Title: Why do we have to wait for the sun to rise before it can be used as an indicator?
NEW : Death of figure skater 's father on January 24 ruled a homicide . Daniel Kerrigan , 70 , died after a `` violent argument and struggle '' with his son . Mark Kerrigan in jail on assault and battery charges , may face additional charges . Title: Why do we have to wait for the sun to rise before it can be used as an indicator?