St. Joseph County Metro Homicide is investigating four suspected drug overdoses, two of which are believed to have taken the lives of two brothers. 18 year-old Jack Savage and his brother, 21 year-old Nick Savage, were found unresponsive at a home on Woodington Court in Granger late Sunday morning. During that investigation, emergency crews were also called to Copper Penny Drive in Granger for another suspected drug overdose. That person was taken to the hospital. The Savage brothers and the other victim are believed to have attended a party hours earlier on Bryanton Court, where medics were called to tend to another overdose victim.