The suspects are accused of beating the children with a cane, locking them in their bedrooms and giving them nonprescribed medication, according to the sheriff's office.
The data company's CEO and chief people officer became an internet sensation after Paltrow's ex-husband, Chris Martin, called them out at a Coldplay concert.
The department seized two grenades from a tenant’s storage unit in Santa Monica on July 17, but it was believed they were inert. One of them detonated the next day, killing three detectives.