Ep 173-179: Killer in the House by Kathryn Canavan

 

IF YOU HAVE INFORMATION ON THE MURDERS OF EDWARD AND MARGUERITE VOGENBERGER- PLEASE CALL BUCK COUNTY DETECTIVES AT 215-348-6354

Buy Killer in the House on Amazon or Barnes and Noble! 

LISTEN TO EPISODES 173, 175, 177 & Jill's interview with Kathryn Canavan, Ep 179!

The Abt family, courtesy of Kathryn Canavan

Front: Kathy, Johnny, Margie;

Back Jack, Clifford, Michael and Peggy Abt

Ed and Marguerite Vogenberger, FindaGrave.com

Diagram of the Abt House on Fleetwood Avenue, Trevose, P.A.

ARTICLES

Jan. 18, 1975: Engagement announcement of Michael Abt and Candida Klesh- Laminated, this was on the piano, next to the 17-inch space where the killer hid.

Standard Speaker Newspaper

Tallahassee Democrat, March 15, 1976

Delaware County Daily Times, March 18, 1976.

The Indiana Gazette, March 23, 1976

The Times, March 23, 1976

Daily News, Sept 12, 1976

The Times, Trenton, NJ, March 18, 1976, Page 1

The Times, Trenton, NJ March 18, 1976 Page 2

The Times, March 31, 1976

Evening Times, March 15, 1976

The Mercury, Oct. 27, 1975

Philadelphia Daily News, March 18, 1976

Republican and Herald, March 19, 1976

Patriot News, March 21, 1976

The Mercury, Oct 27, 1975

Philadelphia Inquirer, June 20, 1976

Intelligencer Journal, July 22, 1976

The Reporter, July 3, 1978

Philadelphia Daily News, Nov. 9, 1982

Philadelphia Inquirer, Oct. 19, 1999

SOURCES

1976 Langhorne Murder, Bucks County History, 2026.

Anthony Burton, Daily News, New York, Sept. 12, 1976.

Burr Van Atta & Charles Layton, Six are found shot to death, Tallahassee Democrat, March 15, 1976.

Buzz Cressman, Death Sentence: Bucks murderer 'finds God'-- Also gets 6 life terms, The Morning Call, June 14, 1978.

Charlotte Lillis, The link between OCD and paranoia, Medical News Today, Jan. 31, 2025. 

Commonwealth. v. Geschwendt, Justia.com, Dec. 31, 1982.

Daniella Heminghaus, Retired Bensalem police officer remembers Abt family murders, Phillyburbs.com, March 25, 2026. 

David Bittan & Robert Joffee, Accused killer's past no warning of danger, The Times, Trenton, NJ, March 28, 1976.

David Bittan, Abts seek a new life in house where six died, The Times, March 31, 1976.

Edward Rutan Vogenberger, FindaGrave.com, 2026.

Emily C, Fried Mushroom with Smoke Paprika Remoulade, Food52.com, 2026.

FMC Corporation, Wikipedia, 2026.

George Geschwendt, Appellant, v. Joseph M. Ryan, Superintendent (warden); and the Attorney General of the State of Pennsylvania: Ernest Preate; and the District Attorney Of Bucks County, U.S. Court of Appeals, Third Circuit, Justia.com, 1992.

Jason Lucky Morrow, The Wrath of George Geschwendt and the Abt Family Ambush, Trevose, Pennsylvania, 1976, Historical Crime Detective, 2026.

Jo Ciagvaglia, A look back at the 10 days that terrified Trevose in 1976, Phillyburbs.com, April 2, 2026.

Jolene Mahoney, The Impact of Homicides on Victims' Families, JoleneMahoney.com, Oct. 10, 2024.

Kathryn Canavan, 2026. 

Kathryn Canavan, Killer in the House: Ten Days of Terrors in a Pennsylvania Suburb, Brookline Books, Feb 2026.

Lakshit Jain and Tyler J. Torrico, Paranoid Personality Disorder, National Library of Medicine, June 5, 2024. 

Steven Boman, Top U.S. Court rejects appeal in Bucks Murderers, Philadelphia Inquirer, Nov. 13, 1992.

Tom Waring, Survivor recalls devastating loss of family, 50 years later, Northeast Times, March 17, 2026.

Tracey Marks, Paranoid Personality Explained, YouTube.com, 2020.

Trevose Family Buried, Delaware County Daily Times, March 18, 1976.