Giskard modifies Baley 's mind to prevent him from being able to tell anyone .
Later , in the Robots of Dawn , while investigating another murder on behalf of the Spacers he recognizes R. Giskard 's telepathic abilities long before anyone else does .
R. Giskard modifies Baley 's mind to prevent him from being able to tell anyone .
Later , in the Robots of Dawn , while investigating another murder on behalf of the Spacers he recognizes R. Giskard 's telepathic abilities long before anyone else does .