Arcadia is a town of about 1,600 about 17 miles north of Indianapolis.
Anyone with information was asked to call the Hamilton County dispatch center at (317) 773-1282 or the Crime Watch Tip Line at 317-776-5848.
Fire departments from Noblesville, Westfield, Fishers and elsewhere assisted with the rescue.
A prayer vigil for basketball standout Anthony "Tony" Etchison drew a crowd that nearly filled the football field at his son's school.
Wednesday night, the Hamilton County Sheriff's Office said the owners did not break the law in any way.
At a forum at Hamilton Heights High School, leaders said they added a new door numbering system to the inside of each building to help emergency responders better navigate the halls.
Some students at Hamilton Heights Primary and Elementary Schools were afraid to leave their classrooms on Monday during an accidental fire alarm.
All lanes of U.S. 31 southbound have reopened in Hamilton County after a fatal crash.
Sprawling behind the 121-year-old building is a nondescript pole barn could be housing history yet to be made.
Boyd K. Morris, of Cicero, died at the crash scene. No one else was injured in the crash.