Because he wasnt Middile Eastern....they didnt want his tendencies to Go Jihad..to Insult the “professionals”....
It’s been the jihadists dream, to recruit white men in the West who would not be detected by profiling.
Timothy McVeigh may have been one.
The killer in Norway was NOT anti-Islamist, he offered his services to them as a ‘covert’ (non-profiled) ally in the West.
Bergdahl, John Lindh, et al.
Perhaps even the director of the CIA.