KEEP COMPLAINING ...You're such a good person to worry about them because that sounds truly cruel !!!
does a dog have to DIE for anyone to do something ? Take pictures - document everything and KEEP TALKING !! They need you - that is WAY TOO COLD for any dog to be outside ....
those poor things ....how can they leave them out in MINUS DEGREE Weather ?

send me the email to your authorities - I'll help !