WEST STEWARTSTOWN, N.H. (AP) — Family and friends will gather at a vigil to mark the anniversary of the disappearance of an 11-year-old New Hampshire girl whose case remains unsolved.

Celina Cass was reported missing one year ago after she was last seen at the family’s computer at about 9 p.m. July 25, 2011.

READ MORE: UMass Lowell Closed Tuesday Due To 'Possible Cybersecurity Incident'

Her body was recovered a week later from the Connecticut River, at a point a quarter-mile from her home.

READ MORE: Massachusetts Announces $1M 'VaxMillions' COVID Vaccine Lottery; 'If You're Not Vaccinated, You Can't Play'

Senior Assistant Attorney General Jane Young says the investigation remains active, with three state troopers committed nearly full-time to following leads. Her friends said Celina was very dependable and would never run away.

The vigil will be held at 7 p.m. Thursday in the same small park where friends once prayed for her safe return.

MORE NEWS: Fourth Stimulus Check: Will You Get Another Relief Payment?

Copyright 2012 The Associated Press.