Capsule review of a recent DVD releases. -- 'The Missing Person,' three and a half out of four stars, PG-13, 1 hour, 35 minutes John Rosow (Michael Shannon), a martini-loving, hardscrabble Chicago private eye, is awakened in the middle of the night with an offer he can't afford not to take. For $500 a day plus expenses, he is to board a train to Los Angeles at 7 a.m. to tail one of its passengers (Frank Wood), who has in tow a little Mexican boy. Rosow is to bring the man, about whom he is initially told nothing, to New York. 