Mason tried them on the radio. No answer. So Eric Sinclair, another school dean, escorted Lyle to Room 129, where he and Mason shared an office. Sinclair radioed the assistant principal again.

Mason radioed for the assistant principal, who was at a school assembly and did not respond. The lawsuit alleges Anderson “abandoned his duty” to search Lyle. Another dean, Sinclair ...

Former East High dean Wayne Mason was shot twice in the chest at "point-blank range" by the student who also shot dean Eric Sinclair multiple times. Both men survived. The 17-year-old student fled ...