Photograph of a man standing in front of the White Rock Filter Building. The building is situated on a hill. A handwritten note on the back of the photograph reads: "White Rock filter bldg."

Envelope which once held evidence from the Ruby trial. Handwritten text on the back of the envelope reads: "These are the original invoices describing property: L. H. Oswald, Jack Ruby, J. F. Kennedy, J. D. Tippit. Do not remove these. Leave alone. 9-22-66. D. B. Hudgens."

Magazine article which appeared in Playboy Magazine. The article features an extensive interview with Mark Lane, an attorney and author, who is critical of the Warren Commission's assessment of the assassination of President Kennedy.

Poor quality photocopies of a magazine article which appeared in Playboy Magazine. The article features an extensive interview with Mark Lane, an attorney and author, who is critical of the Warren Commission's assessment of the assassination of President Kennedy.

Correspondence between J. Gordon Shanklin and Chas. Batchelor. Batchelor states that he received a phone call from Wilfied Daetz, a man who was standing on the north side of Elm Street when President Kennedy was assassinated. Daetz said that he thought he heard one shot on his right.

Photocopy of a newspaper clipping which was taken from the Dallas Morning News. The featured article states that Lee Harvey Oswald's landlady died of a heart attack.

Photocopy of a newspaper clipping which was taken from the Dallas Morning News. The featured article states that Lee Harvey Oswald's landlady died of a heart attack.

Report by B. M. Waters, Detective in Charge, to R. E. Lunday, Deputy Chief Commanding of the Criminal Investigation Division. In the report, Waters describes a phone call received from Mr. James Hacker. Hacker believed that Oswald was paid to kill Governor Connolly by Jack Ruby.

Carbon copy of a report by B. M. Waters, Detective in Charge, to R. E. Lunday, Deputy Chief Commanding of the Criminal Investigation Division. In the report, Waters describes a phone call received from Mr. James Hacker. Hacker believed that Oswald was paid to kill Governor Connolly by Jack Ruby.

Criminal intelligence report addressed to Captain W. F. Dyson of the Administrative Services Bureau in Dallas, Texas. The report, which was submitted by detective W. S. Biggio, states that an attached news article was received in the mail. The clipped article was written by Gordon Taylor and regards Jack Ruby.

Report by detective D. K. Rodgers which states that Lee Harvey Oswald's mother, Marguerite Oswald, drives a 1964 Buick. The car is described as white and blue.

Report by detective D. K. Rodgers which states that Lee Harvey Oswald's mother, Marguerite Oswald, drives a 1964 Buick. The car is described as white and blue.

Criminal intelligence report written by R. W. Westphal. Westphal states Ruth Paine and her husband sold their home and moved to a different address.

Criminal intelligence report written by R. W. Westphal. Westphal states Ruth Paine and her husband sold their home and moved to a different address.

Criminal intelligence report written by R. W. Westphal. Westphal states that Roman Harten, who appeared in the address book of Lee Harvey Oswald, was in Russia in 1956. The Dallas Police Department searched for records regarding this person and came up with a charge for a negligent collision. The fine was ten dollars.

Criminal intelligence report written by R. W. Westphal. Westphal states that Roman Harten, who appeared in the address book of Lee Harvey Oswald, was in Russia in 1956. The Dallas Police Department searched for records regarding this person and came up with a charge for a negligent collision. The fine was ten dollars.

Letter from Johnnie Mae Hackworthe to the Dallas Police Department and Captain Will Fritz, discussing various events and murders in light of the assassination of President John F. Kennedy, Lee Harvey Oswald, and the reinvestigation of Jack Ruby.

Original, signed letter from Reverend Johnnie Mae Hackworthe to Captain Will Fritz. In the letter Reverend Hackworthe discusses various topics relating to his spirituality, the assassination of President John F. Kennedy and the murder of Lee Harvey Oswald, and makes a request for a reinvestigation of the murders of Mr. and Mrs. Frank Anderson on March 30, 1925. Hackworthe claims to be able to prove that solving the Anderson murders could lead to the solution of the Kennedy and Oswald murders.

Photograph of Apache Park and the surrounding area in Dallas, Texas. A patch of trees in the center of the photograph extends to the bottom right. Above this patch is a strip of houses and approximately five roads.

Photograph of Beckley Heights Park and its surrounding area located in Dallas, Texas. The park, which sits on a subdivision of land containing a school near the center of the photo, has a baseball field, playground, what appears to be a swimming pool, and other sports courts. It is outlined by Greenspan Avenue, Highcrest Drive, and Starkey Street from the top, right, and bottom respectively, and is surrounded by residential suburbs.

Photograph of Beckley Saner Park and its surrounding area located in Dallas, Texas. The park, which contains a baseball park, recreation center and parking lot, sits on a block of land at the center of the picture. It is surrounded by residential suburbs, and a large freeway is visible above.

Photograph of Bel-Aire Park off of Bel-Aire Drive and its surrounding area located in Dallas, Texas. The park sits in the center of the photo and is outlined in red marker. Some scattered houses surround the park, and E Lake Highlands Drive and Country Club Drive outline the park's right and bottom sides respectively.

Photograph of Bonnie View Park and its surrounding area in Dallas, Texas. The park, which contains a swimming pool and parking lot, sits near the center of the picture. It is mostly surrounded by residential suburbs with some larger buildings visible scattered throughout the image. Apartment buildings are visible in the top right corner.

Photograph of Brownwood Park and its surrounding area in Dallas, Texas. The park, which contains a portion of Joes Creek, is located near the center of the picture, just above Walnut Hill Lane. Residential suburbs are visible above and to the left of the park.