"To solve a murder" means finding out who committed the crime of killing someone. This involves investigating the case, gathering evidence, and identifying the person responsible for the murder. Full definition
Starting with a seemingly harmless move — a mother uses billboards to get the attention of a police chief who, after seven months, hasn't solved the murder of her daughter. (siouxcityjournal.com)
Help solve the murder mysteries and learn something new on the science or history channels, but get up a couple of times during every program. (datingadvice.com)
Are you and your date interested in solving a murder in a hair salon? (luxematchmaking.com)