Cops: Mom kills 2 kids in exorcism try

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'(CNN) - A second Maryland woman has been charged with murder in connection with the Friday stabbing deaths of two children during an exorcism attempt, authorities said.

Two children died of multiple stab wounds and two others are hospitalized with undisclosed injuries, police said.

Monifa Denise Sanford, 21, was charged with two counts of first-degree murder and two counts of attempted first-degree murder, Montgomery County Police said.

Earlier, authorities announced that the children's mother, Zakieya L. Avery, 28, also faces the same charges. Police said Saturday that Avery stabbed two of her children to death and wounded two others while attempting an exorcism.'