India, Sept. 8 -- Shocking new details have emerged in the case of four upstate New York children who were poisoned and killed by their mother and grandmother. A new report revealed that the kids had an allergy medication that induces drowsiness and kratom in their systems, the New York Post reported.

The children were killed by their mother Sarah Myers, 44, and their grandmother Amy Steadman, 64. The two of them then took their own lives, according to authorities.

The chilling new details about the June murder-suicide in Mechanicville were revealed in a toxicology report, sources told NewsChannel 13. The report stated that Harper Harmon, 13, and his three younger siblings - Hudson, 11; Gracelynn, 10; and Gavin, 10 - were given kratom a...