He worked on, amongst others, the Dr John Bodkin Adams case in 1956 where he identified 163 suspicious deaths and was an expert witness in the trial the following year. However, Adams was acquitted of murdering one of his patients, owing to lack of evidence of motive, among other uncertainties.
Camps gave evidence during the trial of John Christie in 1953, having produced a detailed and comprehensive report on the many bodies found at 10 Rillington Place. The bodies were well preserved and so much relevant information could be gleaned from their condition. His report showed a consistent pattern of attack by Christie, most of the intact victims having been sexually molested and strangled. Beryl and Geraldine Evans had alone been strangled, and their bodies were exhumed to be re-examined for Christie's trial. The skeletal remains of Christie's older victims buried in the back garden at Rillington Place provided less information, although it proved possible to identify the women involved. There could be little doubt that Christie had murdered them all, that Timothy Evans was innocent, and that he had been wrongly executed, although it took many years to establish the truth of the matter. The forensic and witness evidence pointed to a serious miscarriage of justice, although it was contested by a series of lawyers and politicians well after the events. However, several authors, such as Ludovic Kennedy, pointed out the many contradictions and errors in the Crown's case, and the innocence of Evans is now widely accepted, both by public, experts and by the Crown itself. The case was the most prominent of a series of miscarriages which ultimately led to the abolition of capital punishment for murder in England, Wales and Scotland in 1965.
Other cases
He reported on numerous deaths from carbon monoxide poisoning, accounting for nearly half of all suicides in Britain in the 1950s when coal gas was widely available in many homes until in the 1960s it was progressively replaced by the less toxic natural gas: the suicide rate in Britain fell by almost a third and has not risen since. His analysis of the problem of identifying the gas in bodies after death was published posthumously in his autobiography, together with other of his cases such as the Rhyl mummy and the Colchester taxi cab murder. In the same book, he also examined the forensic evidence involving Jack the Ripper.
Tribute
The famous crime fiction author Earl Stanley Gardner dedicated one of his novels, The Case Of Duplicate Daughter, to his friend Dr Camps in appreciation of his professional acumen. A short dedication note by the author can be found at the beginning of the novel.