RedactedNarrative: On 25 October, 2020, I, CPO received an email notification of an accident occurring at the Chicago Yacht Works.  Subject provided a verbal statement concerning the incident.    Subject stated, vessel two was moored at ChicagoYacht Works dock off the Chicago River along with other boats. Surveillance video of the incident shows an unidentified vessel cruising south bound creating a wake.  The wake created by the vessel cause the docked vessel to pull away from the dock.  In doing so, the docked vessel collided with the dock it was moored to.  Photographs labeled 3 and 4 attached to this report show how vessel one was pulled away from the dock.  A search of the area has not provided any information on vessel 2, the unidentified vessel.