As police in Idaho faced mounting criticism, investigators worked meticulously behind the scenes to nab a suspect

In the weeks after four University of Idaho students were found stabbed to death in a home near campus, police faced mounting criticism from the public as the investigation appeared to be at a standstill.

source https://www.cnn.com/2023/01/08/us/idaho-student-killings-investigation-bryan-kohberger/index.html