A Florida mom allegedly used the online game Roblox to try to get a troubled 10-year-old child to commit a series of brutal murders — ending with the youngster slamming a baby on a hard floor in a failed attempt to kill it, according to authorities.

A Florida woman is under arrest after police say she instructed a child to drop an infant on the floor and slit the throats of adults in a household before burning the victims. Police in Escambia County,

Tara Sykes allegedly also told the child to drown and scold the infant with boiling water, and to slit the throats of the adults they were living with