Forensic Science: DNA, Blood & Biological Evidence | Biological Evidence Case

Forensic Science: DNA, Blood & Biological Evidence | Biological Evidence Case File | Solve the Mystery | Grades 9–12

Bring your biological evidence unit together with this no-prep culminating investigation! Students analyze multiple types of forensic evidence from one hypothetical case, connect the findings, evaluate persons of interest, and develop an evidence-based conclusion.

What’s Included
- Teacher Directions
- Overview + Mini Research Questions
- Group Activity
- 4 Student Investigation Pages
- Complete Mystery Case File
- DNA, blood type & bloodstain evidence
- Non-blood biological evidence
- Entomology & skeletal evidence
- 3 Teacher Answer Key Pages
- Color + black-and-white student versions

Students Will
- Analyze multiple types of biological evidence
- Match evidence to forensic methods
- Compare DNA and blood evidence
- Interpret bloodstain, insect, and skeletal evidence
- Evaluate persons of interest
- Connect evidence across forensic specialties
- Reconstruct a likely sequence of events
- Recognize evidence limitations
- Defend an evidence-based case conclusion

Good For
Forensic Science • Forensic Biology • Criminalistics • CSI Units • Criminal Justice • Law & Public Safety/CTE • STEM Electives • Unit Review • Culminating Assessments • Sub Plans • Homeschool

Why Teachers Love This Resource
- No prep and classroom ready
- Integrates the entire biological evidence unit
- Uses one consistent mystery
- Emphasizes analysis and critical thinking
- Reinforces that strong evidence does not always equal proof
- Includes detailed answer keys
- Color and B&W versions included

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Disclaimer
This is an independent educational resource created for classroom instruction. It is not affiliated with or endorsed by any law enforcement agency, forensic laboratory, government organization, or other organization referenced within the resource.
Forensic science may involve sensitive topics including crime, violence, blood, DNA, bodily fluids, injuries, death, human remains, and other biological evidence. Teachers should preview materials for appropriateness.
All scenarios, evidence, profiles, and investigative activities are fictional or provided for educational purposes only and are not intended as professional forensic, medical, or legal training.