On New Year's Eve in 1955, Richard Howell, a patient at the Hillcrest Sanatorium, went on a bloody rampage, killing three children before he hanged himself.On New Year's Eve in 1955, Richard Howell, a patient at the Hillcrest Sanatorium, went on a bloody rampage, killing three children before he hanged himself.On New Year's Eve in 1955, Richard Howell, a patient at the Hillcrest Sanatorium, went on a bloody rampage, killing three children before he hanged himself.