The Virginian-Pilot, a number of Horwitz's former neighbors paid tribute to the deceased dentist.One commented: "Pretty good dude, solid guy, no issues.
Family kind of took care of themselves. They're good people it's just really sad."Another described Horwitz as "like the consummate family guy," saying he hosted cookouts on his back patio for his family.In a separate incident, a gunman opened fire at a high-school graduation ceremony in Richmond, Virginia, on Tuesday leaving two dead and another five injured.On May 21, a landlord in Manassas, Virginia, was "brutally murdered" by her tenant, according to the police.