ST PETERSBURG, RUSSIA NOVEMBER 9, 2019: Search and rescue workers in the Moika River by an apartment block where St Petersburg State University professor, historian Oleg Sokolov, suspected of murdering a student, lives. Earlier this morning, Sokolov was rescued from a river with two severed female arms and a gun found in his backpack. Alexander Demianchuk/TASS (Photo by Alexander Demianchuk\\TASS via Getty Images)