ANSWER EACH QUESTION SEPARATELY WITH ATTACHED REFERENCES 

Question 1

Using proper APA format in at least 800 words, briefly discuss the evolution of fire investigations and its impact on arson cases. As well as, briefly provide an overview of the reliability of computer fire models at trial. 

Question 2

Using proper APA format in at least 800 words, provide a brief overview of terrorist use of improvised explosive devices (IEDs), such as pipe bombs and what is known about the fragmentation of pipe bombs with varying case thickness.