An Arizona prisoner scheduled to be executed next month for killing four members of a family in their Phoenix home over 30 years ago has apologized for the pain he’s caused.

Sheqweetta Vaughan, 32, was pronounced dead at Lee Arrendale State Prison on July 9, when it was 90 degrees in her cellblock.

Chad Daybell, sentenced to death for murdering his wife and stepchildren, shares letters online claiming innocence and seeking public sympathy.

Tyler Robinson, 22, could face the death penalty if found guilty of fatally shooting right-wing activist Charlie Kirk.