As ambulances arrived, D'Angelo saw a long trail of blood from a victim who must have been "profusely bleeding," then he saw bullet casings only feet from where he had dropped to the ground.

Source: https://www.kunc.org/news/2023-06-13/drug-deal-likely-sparked-denver-mass-shooting-after-nuggets-nba-win-police-say

Garcia, 33, left a long trail of online posts describing his white supremacist and misogynistic views.

Source: https://ktar.com/story/5493908/what-to-know-about-the-mass-shooting-at-a-texas-mall/

Immerse yourself in our mesmerising mile long trail, with stunning lighting elements and fabulous light play, all set to ambient music.

Source: https://www.stokesentinel.co.uk/whats-on/whats-on-news/christmas-light-trails-within-one-8792331

The gunman reportedly left a long trail of online posts describing his white supremacist and misogynistic views.

Source: https://www.independent.co.uk/news/world/americas/crime/texas-mall-shooting-bodycam-footage-b2366275.html