Final answer:
The details from the excerpt that add to readers' understanding about how to help prevent wrongful convictions are police departments taking an interest, the use of checklists during investigations and trials, and the importance of alibi cases for defense lawyers.
Step-by-step explanation:
The details from the excerpt that add to readers' understanding about how to prevent wrongful convictions are:
- Some police departments and prosecutors are taking an interest in the issue of wrongful convictions.
- Checklists can be instrumental in helping people avoid investigative mistakes.
- It is recommended that police, prosecutors, and defense lawyers use checklists during investigations and trials.
- Defense lawyers who have defendants with alibis would particularly benefit from checklists.
- Some investigations continue long after they should have been dropped.