Diana, Princess of Wales, died twenty years ago this month. Her surprisingly slight FBI file, released via the Bureau’s FOIA reading room, covers two separate investigations into possible threats against her life. It includes someone “sarcastically” claiming they mailed her and Charles a bomb as a wedding present.

As a prominent figure in the women’s liberation movement during the 1960s and 1970s, Betty Friedan was not without critics. And as her FBI file shows, on at least one occasion a scheduled speech resulted in a bomb threat mailed to her home.

As we mentioned in our earlier write up, the FBI’s files on outlaw icon Johnny Cash are surprisingly tame. Well, once you get past that part where he burned down a national forest. After that youthful indiscretion, the file consists mainly of investigations into various death threats the House of Cash received over the decades - including one that stands out due to the odd choice of medium, and the even odder investigation.

As the host of “New Year’s Rockin’ Eve” on ABC for nearly 40 years, Dick Clark is as much a part of the holiday as party hats and cheap champagne. However, FBI files released after his death in 2012 reveal that somebody wanted to cut his career short a good five decades earlier.

After a request by Rich Jones, the FBI has released its file on singer Whitney Houston. The documents chronicle interactions between the Bureau and Houston over a ten year period, including potentially threatening fans and allegations of extortion, one by a man claiming to be “President of Europe”