Investigators believe grandmother, mother killed 4 children before custody visit with father, reports say

A tragic incident has occurred in Mechanicville, New York, where six people were found dead. The victims include a grandmother, a mother, and four children. The grandmother, 64, and the mother, 44, are suspected of conspiring to kill the children and then themselves.

The children's ages ranged from 10 to 13 years old. Further details about the incident are available from news sources, including the events leading up to the discovery of the bodies and the current status of the investigation.