What is circumstantial evidence and how is it used at trial? Watch the video to find out. To learn more about circumstantial evidence, trial practice and how medical malpractice and accident cases work in New York, take a look at my educational website, If you have legal questions, then I encourage you to pick up the phone and call me since I can answer your legal questions at 516-487-8207 or by email at [email protected]. I welcome your call.