Marqz Robotham pleaded guilty Thursday to charges that he killed Allison Owen, according to court records.
Robotham, a 2009 Windsor High graduate, is charged with killing Owen, his classmate and high school sweetheart, in April 2010 in the parking lot of the Windsor Federal Savings branch in Wilson.
Robotham has remained in state Department of Correction custody since his arrest, being held on a $1 million bond.
Robotham stabbed Owen with a knife in broad daylight, according News 8's report.
Robotham is due to appear in court again on April 27.