She's been accused of trying to 'make capital out of' the tragedy. [=of trying to use the tragedy to her advantage; of trying to benefit from the tragedy]
Homicide that occurs during the course of an attempted kidnapping is a 'capital' crime in some states.
Stock sales resulted in millions of dollars in 'capital gains' for the company.
(..) Oh... first she'd torture you in some horrible way, then she'd murder you. Nobody trusts my sister less than I do, believe me. But if we go to the capital, we'll go with two armies, we'll go with three dragons, and anyone touches you, King's Landing burns down to the foundation stone. (..)2017 TvShow: Game of Thrones Title: Beyond the Wall Season: 7 Episode 6