For the second to last step in the troubleshooting theory, in addition to verifying functionality, what other key task is part of the step?
Document findings, actions, and outcomes
Escalate the issue
Implement preventative measures
Implement the solution

What type of forensic evidence was recovered during the bomb set off at the new mexico facility on the video that was similar to the evidence obtained at the boston bombings and how did the evidence allow the researchers to connect other pieces of evidence to the same bomb?