History → Community Life → Crime & Curiosities → The Allen Murder Case → The Evidence Against William Thomas
Part of the Allen Murder Series
This article is part of a seven-part series exploring the 1880 murder of Hiram P. Allen, the investigation, trial, confession, and eventual pardon that followed.
The complete Allen Murder Series appears at the end of this article.
The Case That Convicted a Sandwich Murder Suspect
A Question That Still Divides Readers
When William Thomas was convicted of murdering Hiram P. Allen in 1881, jurors believed the evidence presented at trial proved his guilt.
Yet almost immediately, others questioned whether the case had truly been proven.
More than a century later, the same question remains:
Did the evidence establish guilt beyond a reasonable doubt?
This article does not attempt to answer that question. Instead, it presents the major evidence discussed during the investigation, trial, and later pardon proceedings.
The Evidence Used Against Thomas
Witness Testimony
Much of the prosecution’s case relied upon testimony from individuals who claimed to have heard statements made by Thomas before or after the murder.
Several witnesses described conversations that investigators believed connected him to the crime.
The reliability of those statements became one of the major issues at trial.
The Candle Fragment
One of the most famous pieces of evidence involved a broken candle.
Investigators found a fragment of candle at the Allen residence and later attempted to match it to a candle sold in Sandwich.
Newspapers reported that the pieces appeared to fit together.
The prosecution argued that this connected the suspects to the crime.
Statements Attributed to Thomas
Witnesses testified regarding remarks allegedly made by Thomas concerning watches, keys, money, and other matters connected to the murder.
The prosecution argued that these conversations revealed knowledge that an innocent person would not possess.
The defense challenged both the accuracy and interpretation of those statements.
Circumstantial Evidence
The state’s case was largely circumstantial.
Investigators attempted to build a chain of evidence linking Thomas to the crime through movements, associations, conversations, and behavior before and after the murder.
Jurors ultimately found that chain convincing enough to convict.
Evidence Raising Doubts
The James Young Confession
In 1885, James Young reportedly confessed to involvement in the Allen murder.
The confession revived debate about the case and became a central argument for those seeking Thomas’s release.
Supporters believed it pointed toward a miscarriage of justice.
Critics questioned Young’s credibility.
Contradictions in Testimony
Trial coverage reveals numerous disagreements among witnesses.
Defense attorneys repeatedly challenged recollections, timelines, and identifications presented by the prosecution.
Not every witness told exactly the same story.
Questions of Identification
No witness claimed to have clearly seen the murderer commit the crime.
Many observations were made in darkness, under stress, or after considerable time had passed.
Supporters of Thomas later argued that mistaken identification may have played a role.
Governor Oglesby’s Doubts
Perhaps the most significant development came years later.
Governor Richard J. Oglesby reportedly stated that he had long harbored doubts regarding the conviction.
His eventual pardon of Thomas became one of the strongest arguments used by those who believed the wrong man had been imprisoned.
What the Jury Decided
After hearing the evidence presented in court, the jury found William Thomas guilty.
That verdict stood for several years.
At the time, jurors believed the prosecution had proven its case.
What History Decided
History has been less certain.
The conviction, confession, petitions, and eventual pardon left behind a record filled with unanswered questions.
Today, historians and readers examining the case often reach different conclusions.
Some believe the jury reached the correct verdict.
Others believe reasonable doubt existed from the beginning.
You Be the Judge
The Allen murder case remains one of the most fascinating mysteries in Sandwich history because it resists a simple conclusion.
The evidence can be examined from multiple perspectives.
More than 140 years later, the debate continues.
Evidence at a Glance
Evidence Supporting Conviction
- Witness testimony
- Candle fragment evidence
- Statements attributed to Thomas
- Circumstantial evidence
- Jury verdict
Evidence Raising Doubt
- James Young confession
- Contradictory testimony
- Identification concerns
- Clemency petitions
- Governor Oglesby’s doubts
- Full pardon in 1888
Allen Murder Series
Start with the main article, then follow the story as it unfolded.
1. The Hiram Allen Murder (Main article)
The complete story of the 1880 murder of Sandwich businessman Hiram P. Allen, the investigation, trial, confession, and eventual pardon that followed.
2. The Morning After: The First Newspaper Account of the Allen Murder!
How local newspapers reported the crime in the days immediately after the murder, before arrests were made and theories began to multiply.
3. Cora Munn: The Female Detective Who Helped Solve the case
The remarkable story of the undercover detective whose investigation helped lead authorities to their suspects.
4. Terrible Trial!
Inside the sensational 1881 Geneva trial that captivated northern Illinois and filled newspaper columns for weeks.
5. James Young’s Confession
Years after the conviction, a prison inmate claimed responsibility for the crime, reopening questions about who really killed Hiram Allen.
6. William Thomas Pardoned
After years of petitions, doubts, and new evidence, Governor Oglesby granted William Thomas a full pardon.
7. (You are Here) The Evidence Against William Thomas
A closer look at the testimony, physical evidence, and circumstantial case that convinced a jury to convict Thomas in 1881.