Samantha Louise Lewthwaite (/ˈluːθweɪt/; born 5 December 1983), also known as Sherafiyah Lewthwaite or the White Widow, is a British woman who is one of the Western world's most wanted terrorism suspects. Lewthwaite, the widow of 7/7 London terrorist bomber Germaine Lindsay, is accused of causing the deaths of more than 400 people.
Lewthwaite was an alleged member of the Somalia-based radical Islamic militant group Al-Shabaab.
She is believed to have been behind an attack on those watching football in a bar in Mombasa during Euro 2012. In September 2013, it became aware that she is the mastermind behind the Nairobi Westgate shopping mall attack, though many people do not believe this.