DOVER, New Hampshire (NEWS CENTER) -- The search for missing UNH student Elizabeth Marriott is now a murder investigation.
Police arrested 29 year-old Seth Mazzaglia and charged him with second degree murder. Police are still searching in the area of Pierce Island in Portsmouth for Marriott's body. The New Hampshire Attorney General's Office says Marriott and Mazzaglia knew one another, but wouldn't characterize the nature of their relationship. Police also recovered Marriott's car in a UNH parking lot.
Mazzaglia is scheduled to be arraigned Monday morning in Dover District Court.