It's one thing to think it...

...it's another to do it (via Fark):

Man, 20, Arrested for Killing Rest of Family on Thanksgiving

MYAKKA CITY, Fla. — A 20-year-old man was arrested in the slayings of his parents, younger brother and elderly grandmother, whose bodies were found in their home Sunday, authorities said.

Richard Edgar Henderson Jr. was arrested Sunday evening and was being charged with four counts of murder, Manatee County sheriff's officials said. He was booked in jail with no bond.