massacre. our justice reporter evan perez has been digging into all of this for us. fill us in. >> wolf, this is a dramatic plan that these two men allegedly were planning to carry out in 2011 and 2012 while they were plotting this according to this affidavit filed there in federal court there in southern california. they plan to carry out a firearms and explosives attack at a library or at the cafeteria at riverside community college. this is a community college where both of these guys attended. marquez and farook attended. they said that this according to the fbi was designed to maximize the number of casualties, wolf. the plan was to throw pipe bombs into the cafeteria or the library and then shoot people with guns as they tried to flee. a second plan that they had was to attack state route 91, a busy highway there, during the afternoon rush hour. the plan was to attack a section of the highway with no exits. and farook would throw bombs to disabled cars and then he would