2 phone interviews. In person interview with 5 interviewers (2 of which would have worked for me). Panel interview lasted closed to 90 minutes
After the panel interview I was instructed to go to a different building to take a couple of tests. (behavioral, trustworthiness etc.) That was another 2 hours of time.
I received a call the next day and was asked if I could return. When I asked about a time frame, the interviewer asked why I would care how long it took. I explained that the 5 hour interview the day before left me wondering what else could possibly be required. Needless to say, we parted ways at that point.