The Cadaver Dog That Testified in a Missing Body Case
In the Texas case of Trejos v. State, prosecutors secured a murder conviction without a corpse, relying in part on a cadaver dog that alerted to a car trunk. This episode examines the legal and scientific reliability of human decomposition detection dogs and the challenges of cross-examining a witness that cannot speak.
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Texas law allows murder convictions without a body if canine alerts are backed by circumstantial evidence.
Specialized dogs can detect the scent of human remains six hundred sixty-seven days after removal.
Canine noses identify decomposition scents diluted to one drop in twenty Olympic-sized swimming pools.
The Clever Hans effect causes dogs to react to handler cues rather than actual scents.
Courts weigh high biological sensitivity against an eighty-five percent accuracy rate in controlled soil studies.
Defense attorneys use training logs and field records to challenge the reliability of canine alerts.
- 01Intro1 min
- 02The Texas Precedent3 min
- 03The Biological Sensor2 min
- 04The Reliability Gap3 min
- 05The Four-Part Foundation2 min
- 06Outro1 min
- Frank Jose Trejos v. The State of Texas--Appeal from 400th District Court of Ft. Bend County
- PEOPLE v. LANE (2014) | FindLaw
- Casetext Search + Citator
- Recent local cases prove murder convictions without a body possible, but difficult
- [PDF] Jurisprudence Section - 2014
- THE PEOPLE OF THE STATE OF ILLINOIS v. AURELIO MONTANO (2017) | FindLaw
- Forensic Canine White Papers
- Application of soil in Forensic Science: Residual odor and HRD dogs
- Microsoft Word - dissertation edit 4
- [PDF] Cadaver‐detection dogs: A review of their capabilities and the ...
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