# John J. Valentine

> expert polygraph examiner from the United States (1934-2020)

**Wikidata**: [Q95881998](https://www.wikidata.org/wiki/Q95881998)  
**Source**: https://4ort.xyz/entity/john-j-valentine


## References

1. Find a Grave
2. U.S. deaths near 100,000, an incalculable loss