Marjory Stoneman Douglas High School is reopening for teachers on Friday, just over a week after Nikolas Cruz, 19, slaughtered students and staff with an assault rifle.
Slaughtered Ox, also known as Flayed Ox, Side of Beef, or Carcass of Beef, is a 1655 oil on beech panel still life painting by Rembrandt.
Colin Stagg had been wrongly identified as the murderer of 23-year-old Rachel Nickell who was slaughtered and left to die on Wimbledon Common in 1992.
Alexanda Kotey and El Shafee Elsheikh - whose group slaughtered at least 27 prisoners - were detained by the US-backed Syrian Democratic Forces in January.
The Clydebank schoolgirl was slaughtered in a frenzied knife attack at the hands of local deli owner John Leathem in 2016.