Martin Luther King Jr. Times" reported that a church minister, Rev. Ronald Denton Wilson, claimed his father, Henry Clay Wilson—not James Earl Ray—assassinated King. He stated, "It wasn't a racist thing; he thought Martin Luther King was connected with communism, and he wanted to get him out of the way." Wilson provided no evidence to back up his claims. King researchers David Garrow and Gerald Posner disagreed with William F. Pepper's claims that the government killed King. In 2003, Pepper published a book about the long investigation and trial, as well as his representation of James Earl Ray in his bid for a trial,
Martin Luther King Jr. to honor King. Observed for the first time on January 20, 1986, it is called Martin Luther King Jr. Day. Following President George H. W. Bush's 1992 proclamation, the holiday is observed on the third Monday of January each year, near the time of King's birthday. On January 17, 2000, for the first time, Martin Luther King Jr. Day was officially observed in all fifty U.S. states. Arizona (1992), New Hampshire (1999) and Utah (2000) were the last three states to recognize the holiday. Utah previously celebrated the holiday at the same time but under the name Human Rights Day.