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In Medieval China a murder was committed using a sickle and the killers was found due to the flies that were attracted to the remains on the sickle and he was later found guilty after his confession -
The clothing and shoes of a farm laborer match the evidence of a nearby murder scene where a young woman was found drowned to death in a shallow pool. the young man was later tried and convicted for murder. This was the first time physical evidence was used to solve a case. -
Chemist Carl Wilhelm Scheele depeloped a test that could test for traces of arsenic which was later used to help solve Forensic cases -
in a 1784 case in Lancaster England Detectives used physical evidence to link a murder weapon to the suspect John Toms to the murder of Edward Culshaw . The weapon used was a handgun and the detectives found a torn piece of newspaper in Toms pocket that matched the newspaper at the crime scene. -
Henry Goddard for the made the first recorded match of a bullet to its mold after investigating a murder case. By examining a flaw on the bullet from a homicide victim he traced the mark to the mold belonging to the suspect. A butler named Joseph Randall, proving the Butler had lied when he said there was an exchange of gunfire -
Chemist James Marsh improves the already developed arsenic test to find trace amounts and made it more reliable than previous testing methods. -
James Marsh used his test to solve a murder case.
James Marsh used his arsenic test to solve the murder trial of Marie Lafarge -
Lydell Grant was convicted of a 2010 Murder, and was later found innocent after review of a D.N.A sample taken from under the victims fingernails. Lydell Grant was given the life sentence when the Innocence Project of Texas looked at his case and got him exonerated after he served seven years in prison.