What is albert fish letter?

Here's information on Albert Fish's letters, formatted in Markdown with the requested link style:

Albert Fish was notorious for sending disturbing letters to the families of his victims, detailing the crimes he committed. These letters are considered a crucial part of his case, as they provided significant evidence and insight into his depraved mind.

• The most infamous is the letter he sent to the Budd family, specifically to Mrs. Budd, the mother of Grace Budd, years after her disappearance. This letter, often referred to as the "Grace Budd Letter," graphically describes the details of Grace's abduction, torture, murder, and cannibalization. The brutal content shocked investigators and solidified the case against Fish.
• The letters served as a confession of sorts, albeit a highly disturbing and boastful one.
• The details included in the letters helped investigators confirm details of the crime.
• Analysis of the letters provides insights into Fish's psychological state, revealing his obsessions, fantasies, and lack of remorse.
• Content of the letter is related to Grace%20Budd.
• The letter include graphic descriptions of torture, murder, and cannibalism.