The Humane Society of the United States said it carried out an undercover investigation at the Charles River Laboratories in Mattawan, Michigan. They say dogs are suffering and dying after testing. Pictures and videos released Tuesday, are said to show experiments being conducted on dogs for Dow AgroSciences, Above and Beyond NB LLC, and Paredox Therapeutics. It’s said the dogs have either suffered through testing or died. The companies released statements saying they comply with all government standards.