A man suspected of murdering Marissa DiNapoli, 18, of Morgan Hill, was arrested at the United States border. According to Morgan Hill police, Martin Mendoza was arrested trying to return to the U.S. from Mexico. Mendoza was arrested on charges of murder for DiNapoli. DiNapoli was reported missing on Monday after last communicating with a family member via text message on Saturday at 9:16 p.m. In the message, she mentioned plans to stay with a friend that evening and return home the following day. However, she failed to do so and did not respond to family members’ calls. Detectives revealed...