NEW : Authorities evacuated a nearby apartment building before detaining Lee . Thursday : He is charged with three counts of murder . Police say the bodies of the twins and their babysitter were found on a nearby road . The car belonging to babysitter , Mary Mac Girdner , 73 , was found Thursday .
NEW : Authorities evacuated a Selma apartment building before detaining Lee . NEW : He is charged with three counts of murder . Police say the bodies of the twins and their babysitter were found on a dirt road . The car belonging to babysitter , Jack Mac Girdner , 73 , was found Thursday .