CONCORD, Calif. - International Overdose Awareness Day passes every Aug. 31, and those most acutely aware of it never expected to be.Fentanyl has added an especially deadly layer to the opioid epidemic. "Nobody knew, nobody knew how dangerous the pill was," said Walter Langhammer of Concord, reflecting on the death of his daughter Valentina, 14.Valentina was a freshman at Concord High School, the eldest of three children, a happy girl who loved the outdoors, camping, and dirt bikes.But on Aug.
21, Langhammer found his Valentina dead in her bed, from a pill someone gave her."So they tell them this pill is going to give them sweet dreams and be relaxing, but she was poisoned with fentanyl," said Langhammer.SEE ALSO: 2 students arrested for.