On September 15 1999, Ashbrook killed 7 people and then himself at Wedgwood Baptist Church, Fort Worth, Texas.

Jeremy Bamber reportedly killed five members of his family at White House Farm, Essex.

Mark Barton allegedly shot to death nine people at two brokerage houses in Atlanta on June 9, 1999.

Sites pertaining to the murder of 11 residents in a Nursing Home, Quakers Hill, Australia.

On March 13, 1996 Thomas Hamilton killed 17 people in Dunblane Primary School, Scotland.

Charles Manson was born November 11, 1934. His killings started in July of 1969, and ended August 11, of the same year. He is currently behind bars, serving a life term.

On 19 August 1987, Michael Ryan killed 16 people in the market town of Hungerford, Berkshire.

On January 16, 1979 Brenda Spencer killed 2 people, and wounded 9 at Cleveland Elementary School.

A spree killer is someone who embarks on a murderous rampage. This is a slightly ambiguous term, with similarities to mass murderer and serial killer.