[quote=@Andreyich]
[@Leidenschaft]Can my character be a Blackwater/Academi merc or ex-merc, if the latter then having left it for law enforcement as a SWAT guy? 
[/quote]

Yea, contractors both independent and belonging to a company are fair game. If he did leave it for law enforcement SWAT teams, it'd have to be a tactical team with sufficient clearance to work abroad. El Paso city SWAT doesn't usually run raids in Guyana.