So there are two different looks we are looking for.  One style could be more animated with fire symbols, investive magnifying glasses, and demolition dozers.  The other style we want to compare it to is something that looks more like a government agency.  Something like the logo from CSI tv showsThe colors probably should be red and black.  Some of the elements could be an investigative magnifying glass,   or something that represents fire but cleanup/demolition .  
https://www.forensicinvestigationsgroup.com/ example
https://gyazo.com/1e7a3cf1150a4651b7528128d179d722 example 
https://www.robsonforensic.com/practice-areas/fire-explosion-expert  example 

Forensic Demolition Pros