On October 20, 2018 a family went to Lake Tahoe for vacation. They got a tour on a boat on the lake.
A family member filmed the lake before the tour begins. After they got home he checked the video and noticed that an object flew with tremendous speed over the lake.
He said that he did not see the object while filming the lake. The video has submitted to Mufon for further investigation.
The UFO appears at 00.07 seconds in the video.