Retired Forensic Scientist Paul Zambella presents his Junior Forensic Roadshow talk at the Haverhill Public Library on Saturday, March 24 at 11 a.m.
Zambella was employed a the Massachusetts State Police Crime Lab for 36 years and will share his knowledge of blood, DNA, fingerprints and gunshot residue in a talk suitable for children in grades 3 to 8.
The event is free and registration is required by calling the library at 978-373-1586.