Computers
Which part of the computer stores information even when it’s turned off?
Hard Drive
What is the primary goal of digital forensics?
To recover and investigate material found in digital devices
What was the primary method Dennis Rader used to avoid detec8on during his early
crimes as the BTK killer?
Murdering random people that had no connection to him or each other
What is the job of RAM in a computer?
To store data temporarily while working
How can metadata in digital photos assist forensic investigators?
By indicating the date, time, and location the photo was taken
How did Dennis Rader's (BTK) communication style with the police and media contribute to his ability
to evade capture for decades?
He sent the police taunting letters with cryptic clues and false leads.
Which part of a computer helps display images and videos?
Graphics Card
What challenges do encrypted devices pose to digital forensic investigations?
They prevent unauthorized access to data
What specific mistake did Dennis Rader make when he resumed contact with the police in the
early 2000s that led to his arrest?
He sent a floppy disk to a local news outlet and was unaware that the metadata on the disk contained his name and the Church where he made the disk.
What part is known as the brain of the computer?
CPU
Why is the preservation of digital evidence critical in forensic investigations?
To prevent data from being altered or destroyed
How did investigators use DNA evidence to confirm Dennis Rader's identity as the BTK killer?
They gathered DNA samples from Rader’s daughter and compared them to Rader’s DNA, which was a match.
In the TEDx video with Davin Teo, what type of digital evidence was crucial in solving the case?
GPS Data
Where and when did the BTK crimes take place (Your answer must include city, state, and dates)
The BTK crimes occurred between 1974 and 1991 in Park City, Kansas (near Wichita, Kansas).