Another deadly school shooting in the U.S.... this time in a high school in Sante Fe, Texas, where ten have been killed and another ten injured.The shooter has been identified as Dimitrios Pagourtzis ('-chis'), a 17-year-old student at the school.He has been arrested and charged with capital murder.He is said to have used a revolver and a shotgun, which were both legally owned by his father.Homemade explosive devices were also found on and off campus.It's the deadliest school shooting in the U.S. since 17 were killed at a high school in Parkland, Florida in February.