http://www.fox4news.com/news/274269279-story
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Jamal Grant and Taela Yates are indicted on four counts each of abandoning or endangering a child. They were arrested in May.
Wylie Police Detective Amanda Villalobos says all four of their children, ages 1 to 5, had been exposed to the drug.
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An affidavit states in January that the children's school bus driver had problems with the parents failing to pick up their kids, saying Grant "often smells like marijuana and appears to have been sleeping when he does arrive" to get them.
CPS took over the case, and the family was drug tested.
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The affidavit states the parents tested positive for both cocaine and marijuana and even the children's grandmother tested positive for cocaine. Investigators are still not sure how the children ingested it.
"Putting the cocaine out on the table or cutting in on a table and touched that area and put their hands in their mouth,” explained Villalobos.
No one answered the door at the family's home. CPS says the children are now with another family member.
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