The comic · Principles of Biomedical Technology (PBT)

Week 3 of 17

The scene

Fiction. No real student, family or grade appears.

Drawing, panel 12: Ethics of the scene.

No school Monday, so the ethics debate moved. When does collecting evidence cross into destroying it? To lift a fiber you have to move the carpet.

Panel 12Ethics of the scene · 2026-09-08
Drawing, panel 13: Documentation and custody.

Photograph, sketch, log, collect. In that order, because every step after the first one changes the room.

MR. MENDOZA

In forensic science, the documentation is the evidence.

Panel 13Documentation and custody · 2026-09-10
Drawing, panel 14: Scene documentation lab.

I was the logger. It sounded like the boring job. Then our photographer shot the whole scene before the scale marker was set, and the sketch did not match.

Panel 14Scene documentation lab · 2026-09-11
Drawing, panel 15: Analyze trace evidence.

We reshot and logged both versions. It cost us the period.

MR. MENDOZA

The fix was not better photography. Three of you worked in parallel and nobody sequenced it.

Panel 15Analyze trace evidence · 2026-09-14
Drawing, panel 16: Chess club.

Chess on Thursday. I lost twice to a sophomore who did not gloat, which somehow made it worse.

CLASSMATE

You are three moves ahead on your own pieces and zero moves ahead on mine.

Panel 16Chess club
Week 2Week 4