How soon does a missing person's report get investigated for an adult in America?

In the United States, a missing person's report for an adult is typically investigated immediately upon being filed, although the urgency can vary by jurisdiction and the specific circumstances surrounding the case. Law enforcement agencies often prioritize reports based on factors such as the individual's mental state, health, and any potential threats to their safety. Generally, adults have the right to go missing, and investigations may delve deeper if there are indications of foul play or if the person is deemed vulnerable.