I was curious how most GM handles the situation when a check has to be made during an investigation.
Would you have each individual PC make a check or would you make one group check using the Assist mechanics?
For example:
Let's say there is a scenario when a successful Perception check may allow the characters to notice that a Rival is nervous and give them a boost to coerce the individual or negotiate with them. Failure might mean they don't notice that and make their coerce / negotiate as a regular check with no modifier.
Would you allow each PC to make a check or have 1 check made for the group?