He's not 'in sympathy with' the other members of the group. = He's 'out of sympathy with' the other members.
He seems to be 'in sympathy with' our views. [=to agree with and support our views]
She has/feels a deep 'sympathy for' the families of the victims.
(..) Please. Thank you. Please, allow me to begin by extending to you and the American people my country's most sincere sympathies on this horrific tragedy. If there is anything our people can do in response to this tremendous act of cowardice, rest assured, we will do it. (..)2016 TvShow: Designated Survivor Title: Pilot Season: 1 Episode 1