The date of February 2, 1960, is depicted as having fallen on a Monday. The date fell on a Monday the previous year (1959) and was a Tuesday in 1960.
The murder victim is still breathing after being found and declared dead.
Both Perry and Della use their bare hands to handle the glove that was found next to the body. Although any fingerprints inside the glove would be undisturbed, their fingerprints would be all over the outside of the glove, and they probably obliterated any other prints on the outside of the glove, thus destroying any evidence there.