Which one of the following is NOT an early indicator of a potential insider threat? (Antiterrorism Scenario Training, Page 3)

Abnormal mood swings, depression, and suicidal remarks

Presence of unauthorized weapons

Aggression or threats toward co-workers

A reasonable disagreement with a US Government policy

Verified Answer :

the following is an early indicator of a potential insider threat:
Abnormal mood swings, depression, and suicidal remarks
Presence of unauthorized weapons
Aggression or threats toward co-workers

so theĀ 
one that is NOT an early indicator of a potential insider threat is
A reasonable disagreement with a US Government policy