Face-biting suspect may have ingested chemicals from victims' garage

The college student caught biting a victim's face after stabbing and beating the man and his wife to death in a random attack may have ingested "caustic" chemicals from the couple's garage, Martin County Sheriff Snyder said.Snyder told news outlets that Austin Harrouff, 19, remains in critical but stable condition at a West Palm Beach hospital a week after the attack that killed John Stevens, 59, and Michelle Mishcon, 53, outside their home near Jupiter. Harrouff was taken into custody Aug 15.Sn