Private Detectives Sought to Solve Mysterious Murders

In the 19th and early 20th centuries, the task of solving murders presented a formidable challenge to law enforcement. Cases frequently hit frustrating dead ends when clues or eyewitnesses were scant. Without the proverbial “smoking gun,” public officials turned to private detectives for assistance. Unlike the overburdened sheriffs with numerous responsibilities, agency men had the luxury of dedicating extensive time to the case–weeks or months.

These detectives brought a unique set of skills and resources to felonies. Most had gained significant experience while investigating violent crimes. This expertise in handling felonies translated into a broader understanding of investigative practices applicable to various types of murders.

Their ability to focus solely on the crime and their knack for operating discreetly also made them invaluable for solving complex homicides. They could deploy undercover operatives to gather information from the community without arousing suspicion, a tactic that proved particularly useful when people were reluctant to share crucial information.

Moreover, private detectives kept extensive records on itinerant criminals. The advent of photography greatly aided their crime-solving work, allowing them to create rogues galleries of mugshots, providing an essential tool for tracking and identifying suspects that public law enforcement lacked.

To encourage the involvement of private detectives, county commissioners usually offered monetary rewards to anyone who could bring the culprits to justice. This financial incentive spurred professional detective agencies to join the hunt for felons or intensify their efforts if the authorities increased rewards, as they rushed to grab a felon before the competition made the arrest. This periodic use of rewards saved local governments the cost of expanding police forces.


Murder of Jennie Richards
A private detective’s story published in the Smyrna Times, Dec. 7, 1892

The tragic murder of Jennie Richards in a secluded area west of Rising Sun, Maryland, in April 1891 serves as a prime example of 19th-century homicide investigations. Despite the collective effort of Cecil County’s law enforcement officials (the sheriff, deputy, coroner, state’s attorney, and constables) and the local community, the perpetrators had vanished into the night. The lawmen had grilled the “usual types” and apprehended several suspects on suspicion of something, but their solid alibis soon freed them.

In contrast to most killings, the Richards investigation immediately received support from railroad detectives. Jennie’s brother-in-law, the Assistant Chief Engineer of the Pennsylvania Railroad, Joseph T. Richards, arrived with a team of railroad officers on the morning of the murder.

Despite the tireless effort of a handful of public officials and agency detectives rounding up the “usual suspects,” it became clear that the case was getting cold. In response, the commissioners offered a significant reward of $1,000 to anyone who could locate the murderers, which the authorities increased to $3,000 (about $102,000 today) in April 1892.((Cecil County Board of Commissioners, Minutes, April 12, 1892, 204.))


Private Detectives Take up the Case

This enhanced reward piqued the interest of a Smyrna, Delaware, photographer and Detective, G. W. McLain. Seeing an opportunity for better earnings than his Smyrna gallery, which paid about as well “as a peanut stand in a graveyard,” he joined the investigation. However, the sleuth recognized the competitive nature of the crowded field with the enhanced cash offering.((G. W. McdLain, “The Richard Murder; or A Cecil County Mystery,” Smyrna Times, December 7, 1892))

From Smyrna, he penned a letter to the Cecil County Commissioners offering his help and was advised that they would welcome his efforts to bring the culprits to justice. The Richards reward was open to all.((Letter from C. H. Smith, Clerk to the county commissioners, published in the Smyrna Times))

McLain quickly assembled materials for a traveling photography gallery in a canvas tent, allowing him to work in Cecil County or any other location the case might lead him to without raising suspicions. His primary profession of “viewmaking” served as an excellent disguise as he canvassed the territory, offering picture-taking services as an incentive to gain access to homes.

McClain also dispatched a telegram to the city, summoning a lady detective to assist him in Rising Sun. He introduced her as his sister. Like him, she was a woman of many talents and a skilled artist. She seamlessly stepped in, completed the tintypes, and skillfully applied the paintbrush to her works.((G. W. McClain, “The Richards Murder: or A Cecil County Mystery,” Smyrna Times, January 18, 1893.))

He indeed found the field crowded with private detectives. By the time he pitched his tent in Rising Sun, the Pennsylvania Railroad’s C. G. Ottey and a force of assistant officers, Captain William B. Lyon of the firm of West, Lyon & Smith from Baltimore, Pinkerton Agency men, and many more had spent months tracking down clues.  


Working Undercover

McClain began working quietly and diligently In Northern Cecil County, awaiting an opportunity to gather information. As everything remained silent regarding the murder, he equipped the lady detective with numerous samples and sent her towards Porter’s Bridge, the area of the slaying, to solicit orders.

Later, he dispatched her to Oxford, instructing his assistant to canvass the town and, if possible, lodge with Mrs. Langdon, Jennie’s sister-in-law. When she visited Mrs. Langdon, she was met with a cold reception—the lady refused to view the artworks and seemed suspicious, having been visited by two detectives a few days earlier. When the homeowner questioned the reason for the visit, the undercover agent assured her that she was an artist from McLain & Co, a firm based in Salisbury, MD, now operating in Rising Sun. She then canvassed the entire town, gathering information from Mrs. Langdon’s neighbors.

As his assistant traveled neighborhoods, McClain also explored the Porter’s Grove area under the guise of advertising the photography gallery. After talking to Mr. Whalen and Mr. Reynolds near the Richard’s home, they took him over to the house to take pictures of the outside while also providing an interior tour.


Photographing the Richards House

Ater the gumshoe took pictures, he visited Jennie’s mother, the elderly Mrs. Langdon, at Harrisville, telling her that he was “out making views of houses and had taken Mr. Richards’ house and would present her with one as soon as completed. That was enough to start her talking, McLain noted. “Yes, that is where my dear daughter was killed, poor child,” and her tears ran like rain while she related her sad story.”  McClain “pitted the poor, bereaved mother in her advanced age, and kept asking myself if he should confide his secret mission” to her. But he decided against it. 

McClain & Co. photographers, Smyrna, March 9, 1892, Smyrna Times

Back in the Rising Sun gallery, the photographer developed the negatives and framed pictures of the Richards house, putting them on exhibit. Of course, everyone knew it and had something to narrate about the tragedy, so he took it all in, getting the run of things pretty well. 

After working Rising Sun for “all there was in it,” he left to attend the Woodlawn Camp Meeting on Aug. 9th. With the tent up, the artist hung his “eye-catcher and tongue starter outside, just over the door, so that nearly everyone that passed by” had some remarks, such as “Oh, that is the Richards’ House. There is where the murder was done. That was a pity . . . someone ought to hang for it.”  Some would know considerably more about the affair. Others would shake their heads and walk off, as much as to say “there was a graveyard secret” connected with that killing. Whatever they said, he worked away quietly, listening to the conversation and occasionally asking a few questions.   

That summer, the Cecil County Commissioners withdrew the reward:

Believing that the expenses in the investigation of the Richard Murder Case has assumed such proportions as to become oppressive to the taxpayers and that every reasonable effort has now been made to apprehend the perpetrators of said murder, it is ordered that all rewards be herby withdrawn and no further money be appropriated for the expenses of said investigation.((Cecil County Commissioners, Minutes, July 12, 1892))

As the Delaware gumshoe suspected, solving the seemingly impossible felony required immense effort and skill. He had to rely on his cover and intuition to navigate a territory already covered by many private eyes. Every shadow held a potential suspect, and every whisper a clue waiting to be deciphered or reexamined from his perspective. To work the job, the detective went to great lengths, sometimes even donning disguises beyond that of a viewmaking artist. He also made a two-week trip to Baltimore, acquiring the confidence of a gentleman from the Custom House.


McLain, however, decided to wrap up his work, choosing not to reveal certain “graveyard secrets” he possessed regarding the case. The intelligence gathered in Porter’s Grove and Oxford remained a secret, buried in the “graveyard of untold stories.” 

To the Cecil County authorities, Detective McClain said this: “Fait justitia ruat caelum” (let justice be done though the heavens fall).((C. W. McLain, “The Richards Murder; or a Cecil County Mystery,” Smyrna Times, February 22, 1893.))

In the 19th and early 20th centuries, before forensic science and professional policing, private detectives were the last hope for solving difficult homicides. Despite their best efforts, many of these crimes remained unsolved, particularly when confessions were not obtained, or private detectives failed to develop information. This last line of defense for the criminal justice system often failed to identify perpetrators.

For More

Murder in the 19th Century: A Look at the HIstory of Investigations in Salem County, NJ

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