Two workers fired , sold weapons on their own , company says . Company fired workers , turned them in to police , says source . Police investigating claims Blackwater employees made illegal arms deals . WASHINGTON ( CNN ) -- Company in spotlight after shootings last weekend that killed 20 people .
Two workers fired , sold weapons on their own , company says . Company fired workers , turned them in to police , says source . Police investigating claims Blackwater employees made illegal arms deals . Company in spotlight after shootings last weekend that killed 20 people .