Police found the body of mom TerriLynn St. John a mile from her home and covered in leaves Thursday- after she went missing from her Virginia home on Tuesday.
They have arrested the 23-year-old mother of two's acquaintance, Alvin B. Keyser, 23, in connection.
Police said they were able to arrest Keyser after someone posted about statements he had made on social media, but they did not further elaborate who made the statements or what those statements were.
According to police, Keyser is 'being fairly cooperative,' and showed them where St. John's body was.
Major Michael Sampson of the Middlesex Sheriff's office told reporters: 'Mr. Keyser showed us where it was at,' referring to St. John's body.
The last known whereabouts of TerriLynn St John (pictured), 23, was Tuesday morning when she went out to the front yard to prepare her car for the school run in Virginia
Police say social media helped them to arrest Alvin B. Keyser, 23, after statements hemade were posted to Facebook, but they would not elaborate what they were or who posted them
Keyser had run-ins with the law over the past several years including possession of marijuana, driving after revocation, and county noise ordinance violation
'The closure on this is not good closure, but it is closure,' Middlesex County Sheriff David Bushey told reporters Thursday.
Her family had suspected she was abducted when her