See—https://ahmadiyyafactcheckblog.com/2017/07/23/tarikh-i-mahmudiat-some-excerpts/

Tarikh-i-Mahmudiyyat,  Kay Chand Ahem Magir Posheeda Auraq-Hissa Awal(Few Hidden But Important Pages of)

–History of Mahmudiyyat–Part One) – a book that exposes the dark and corrupt side of Mirza Mahmud.It

–includes 28 Sworn Testimonies alleging that Mirza Mahmud committed actions including adultery, sodomyand also embezzled money.It is referred to as “”Tahrik-i -Mahmudiat”” for short; compiled by Mazhar Ud Din Multani.