When the character playing the boy is captured and returned to the scene where the bullet was removed, the doctor asks the boys his name and clearly he replies, "Timmy". Throughout program, by all other characters, the boy is called "Tommy".
When Matthews and Morris are driving past the Evans' mailbox they stop, get out of their car and walk over and stand by it talking. A note from Tommy is in plain sight on the mailbox one foot from Matthews yet it takes him nearly 10 seconds to notice it.