There are \( 5 \) people. One of them has been shot and killed one of the other five.
- Dan ran in the NY City marathon yesterday with one of the innocent men.
- Mike considered being a farmer before he moved to the city.
- Jeff is a top notch computer consultant and wants to install Ben's new computer next week.
- The murderer had his leg amputated last month.
- Ben met Jack for the first time six months ago.
- Jack has been in seclusion since the crime.
- Dan used to drink heavily.
- Ben and Jeff built their last computers together.
- The murderer is Jack's brother. They grew up together in Seattle.
Who is the victim?
This problem is not original. It is quite popular on the internet.