A matsayin wata hukuma ta cocin zaman lafiya mai tarihi da ta yi imani da rashin tashin hankali, Brethren Benefit Trust ta daɗe tana bincikar saka hannun jarin membobin Tsarin Fansho na Brotheran’uwa da abokan cinikinta na sarrafa kuɗi a cikin tsarin makamai da makamai, bindigogi, da kwangilar Ma’aikatar Tsaro ta Amurka.