Iowa college student Mollie Tibbetts was murdered, authorities say, and a man is in custody in connection with her death.
Investigators on Tuesday confirmed that the 20-year-old's body had been found and Cristhian B. Rivera is suspected of killing her.
He was described as having lived in the country illegally for several years, and was seen on video near the east side of Tibbetts' home town of Brooklyn on the day she disappeared, July 18.
Tibbetts was jogging at the time, and Rivera told investigators he followed her in his vehicle and then got out to run alongside her.
She then grabbed her phone and said she was calling police, which Rivera said caused him to panic and get angry.
He then "blocked" his memory, according to the arrest affidavit seen by ABC News, and next thing he remembers is being at an intersection in his car, with Tibbetts in his trunk.
He drove to a cornfield and got her out, noticing blood on the side of her head, before leaving her in the field.
He described the clothes she was wearing and other details about where her body was found. The location of her body has not yet been disclosed, but it was found in a field in Poweshiek County covered in corn stalks.
The cause of her death has not yet been revealed.