He was a serial killer. I posted the wikipedia article on Ed Kemper in the related links box below.
Ed Kemper goes by Co-ed Killer.
Kemper, whose killing included his own grandparents, was known as the Co-Ed Murderer or the Co-Ed Killer.
Ed Kemper's birth name is Edmund Emil Kemper III.
Ed Kemper was born on December 18, 1948, in Burbank, California, USA.
Edmund Emil Kemper III is an American serial killer who was active in California in the early 1970s. Kemper was another company that saw the potential in the sport of snowboarding fairly early on and began making their own boards in 1987. The name is unrelated.
Charles Whitman killed his mother and wife before going on his killing spree and It is known that Henry Lee Lucas killed his own mother in 1960. Serial killer Ed Kemper also murdered his mother (as well as his grandparents)
If you mean physical size than one of the biggest would be Edmund Kemper who measures about 6'6" in his socks. After serving several years in a youth facility for the murder of his grandparents, Kemper was released. Kemper picked up where he left off as a youth, killing co-ed's around the Santa Cruz area of Northern California. Before his capture he killed his mother and decapitated her. He remains in prison in California today.
"Reader for the blind"(Infamous serial killer Edmund Kemper does this while in prison)
kemper
Doris Kemper's birth name is Doris Elizabeth Kemper.
Drake Kemper's birth name is Drake Yearout Kemper.
Thomas Harris, who wrote the Silence of the Lambs novel, based his characterJame Gumb, a.k.a. Buffalo Bill, on five actual serial killers: Jerry Brudos, Ed Gein,Ted Bundy, Gary M. Heidnik and Edmund Kemper.