75 Degree Bloodstains on Common Surfaces

Picked one by one from a mixed channel. Transcript check: both title readers certain; 4 of 5 sampled certain picks confirmed by transcript, none failed. Channel rule: Include only tutorials and technique explanations/demonstrations of forensic 3D scanning, photogrammetry, point-cloud processing and bloodstain/trajectory analysis. Exclude product reviews, 'a look at' feature showcases, software update videos, event/symposium promos, and Forensics Talks interview episodes on contested topics such as WTC7.