riddle-today it was the first day of school,but a senior science teacher was found dead in the teachers room,the police got 4 suspect the janitor,the lunch lady,the ELA teacher and the security guard. janitor-i was in the middle of cleaning the yard. lunch lady-me and my co workers were cooking food and serve it to the students at lunch. ela teacher-me and my students were taking a mid year test. security guard-i was trying to boot up my security computer but my security computer got the blue screen of death and i don't have a security tablet. who do you think who did it,answer will be after at least 3 people answered (note-maybe is easy but maybe is not).