2. Hillsborough County Sheriff Department said Friday Darrin Campbell, the father, shot all members of his family in the head, lit the mansion on fire, and then shot himself.
3. Investigators said Thursday four family members — a husband, wife, and two teenage children, who had been found dead inside the mansion set on fire Wednesday — had been shot.
4. A gun recovered inside the mansion belonged to the husband and father of the family, investigators confirmed Thursday.
5. Investigators also confirmed that the same man had bought a large amount of fireworks, along with gas cans, on Sunday.
10. This is a developing story. Check back for updates and follow @BuzzFeedNews on Twitter.
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