No Prep Plans | Forensic Science: Latent Fingerprints

No Prep Plans | Forensic Science: Latent Fingerprints | Develop-a-Print Investigation Latent Fingerprint Development Research + Crime Scene Investigation | Grades 9–12

Turn invisible evidence into an engaging forensic investigation! In this no-prep forensic science lesson, students investigate how latent fingerprints are created, developed, and preserved while exploring why forensic examiners must select development techniques based on the surface containing the print.

Students compare latent, patent, and plastic fingerprints, explore techniques such as powder dusting, cyanoacrylate fuming, and chemical development, and apply their research in a Develop-a-Print Investigation. Groups determine the best development methods for different crime scene surfaces and defend their forensic decisions.

WHAT’S INCLUDED
- Teacher directions + lesson overview
- Develop-a-Print group investigation
- Research resources + mini research questions
- Student research, analysis + planning pages

STUDENTS WILL
- Distinguish latent, patent, and plastic fingerprints
- Investigate common latent print development methods
- Compare porous and nonporous surfaces
- Match development techniques to different surfaces
- Analyze mistakes that could damage or destroy evidence
- Examine how developed prints are preserved
- Create and defend a surface-specific development guide

WHY TEACHERS LOVE THIS
- No prep and ready to use
- Designed for 1–2 class periods of approximately 45–60 minutes
- Connects fingerprint science to realistic forensic decisions
- Moves beyond simple vocabulary and identification
- Builds research, analysis, and evidence-based reasoning
- Combines individual thinking with collaborative investigation

PERFECT FOR
- High School Forensic Science
- Latent Fingerprint Lessons
- Fingerprints, Impressions & Trace Evidence
- Crime Scene Investigation Units
- Evidence Collection & Preservation
- Forensic Science Electives
- Group Investigations
- Sub Plans or Enrichment

QUICK SETUP
Provide students with the investigation materials and access to the included research resources. Students investigate latent print development, compare techniques and surfaces, evaluate potential mistakes, and create a development guide showing how forensic examiners can reveal and preserve otherwise invisible evidence.

FOLLOW & SAVE 10%