[contentcards url=”https://wsvn.com/news/local/miami-dade/this-is-heartless-2-horses-stolen-from-sw-miami-dade-barn-found-slaughtered-blocks-away/”] By Alex Browning SOUTHWEST MIAMI-DADE, FLA. (WSVN) – A barn break-in led to a grisly discovery for a Southwest Miami-Dade horse owner. Speaking with…