The 5-year-old boy who was allegedly killed by his father in Arlington last week died from stab wounds to the chest and throat, according to police documents.

The little boy's 2-year-old brother is reportedly now out of the hospital after also being stabbed.

Arlington Children Stabbed The backstory: Arlington police arrested 27-year-old Heyco Cruz-Linares this past Wednesday morning for the stabbing death his 5-year-old son, Keiler Cruz-Guerra.