Yvan Keller

Serial killer known as the 'Pillow Murderer'

Yvan Keller is infamously known as the 'Pillow Murderer' due to his involvement in a series of murders where victims were suffocated with pillows. His criminal activities have been the subject of numerous true crime investigations and discussions. Keller's case highlights the psychological aspects of serial killers and the impact of his crimes on society.