7. M2U1. ReadingBoy missing, police puzzledPolice in America have stepped up their search for a fifteen-year-old boy who went missing three days ago in Dover, New Hampshire. This incident has received great interest due to reports of strange lights in the sky and of alien visits around the time the boy disappeared.Justin Foster, a high school student, was last seen Friday night. That evening at 8 p.m. Justin went to play baseball with two friends, who both say Justin went home after the gam