Original: When the gunman returned, Dr Botkin was shot and the Tsarevich Alexei was slaughtered, one gunman repeatedly trying to shoot or stab the boy in the torso. The jewels sewn in his clothes protected him, and finally another gunman fired two shots into his head.
Simplified: A gunman named Ermakov tried to shoot Tsarevich Alexei, but the jewels in the boy's clothes protected him.