Michael Valva was found guilty Friday of second-degree murder in the death of his 8-year-old son, Thomas, and four counts of endangering the welfare of a child. Jurors came back with the verdict on the same day they began deliberations. NewsdayTV’s Cecilia Dowd reports. Credit: Newsday/Howard Schnapp; News 12 Long Island; File Footage; Photo Credit: Justyna Zubko-Valva, Suffolk County District Attorney's Office