gaining momentum. kelly is defiant and denies any wrong going. martin savidge has the latest. reporter: the lifetime docuseries has generated incredible ratings for the network and has dominated social media since the premier over a week ago. the docuseries details sexual abuse allegations against r. kelley from the mid 90s all the way up to present day. robert is the devil. reporter: it s also renewed interest among law enforcement. investigators are looking at allegations against kelly in atlanta and chicago. the savidge family of georgia are featured in the documentary and are helping police in both investigations. they allege their adult daughter is being held against her will by kelly in a sex cult. they haven t seen her since late 2016. we as of right now today have no proof of life whatsoever. and that s hard for me to say.