Originally Posted by
Often1
+1 - Presuming that we're talking about a significant clearance at TS or above, this is an easy way to lose that clearance and, if it's a job which requires the clearance, the job as well.
For what it's worth, a DUI conviction abroad would generally lead to the exclusion of a non-citizen from entry to the US and a USN to Canada as well as numerous other nations.
A single, simple DUI conviction does not make a individual inadmissible to the United States. It does not lead to the individual being inadmissible generally or specifically for that matter.
FB