[Betis70]

Report is his mom was a teacher at the school. He killed her. Along with (possibly) her class.

[Selene]

He probably used her key to get in

[GQuagmire]

There's a Ryan Lanza on Twitter who is getting followers by the dozens(probably people checking to see if this is the same Lanza). Seems to be into BMX bikes and is an angry person. Idon't know if this is him but here is last tweet on the 11th Ryan Lanza ‏@Ryan__Lanza theres a lot of bad bitches in the building #amen