Complex sentence: According to news reports, during the standoff with police, Gaines posted videos on Facebook and Instagram which appear to show Gaines talking with police in the doorway to her apartment and to her son.
Split into simpler sentences: According to news reports, during the standoff with police, Gaines posted videos on Facebook and Instagram during the incident. The videos appear to show Gaines talking with police in the doorway to her apartment and to her son.