two lights circling in a figure 8

Two lights were circling in the shape of a figure 8. They would intersect at the top the 8, at the mid point of the 8, and at the bottom of the 8; in synchronization. This continued for 15-20 minutes and was witnessed and/or filmed by 5 family members. While we were going in and out of the house to get phones to take video or check social media for reports from others, the lights disappeared. We were also checking other websites to see what aircraft or military planes were overhead and found nothing. There was no sound, or wind during the sighting or other aircraft lights. The sky was overcast and the lights appeared to come from above the clouds as there were no beams of light shining up from the ground, and appeared over a wooded area right across from our home. There were no other neighbors out and no reports of anything on social media. We were going to call the non emergency number for the police but thought the lights would be gone by the time they got! here and they would think we were all crazy.