Jami` at-Tirmidhi 2298
جامع الترمذي#2298Da'ifAishah narrated that the Messenger of Allah (s.a.w) said:The testimony of a treacherous man is not acceptable nor a treacherous woman nor a man lashed for the Hadd nor a woman lashed nor one possessing malice of enmity nor a rehearsed witness nor the Qani of (one contracted by)the family on their behalf nor the one associating himself to other than his Wala or to other than his relatives
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirDaif
Al-AlbaniDaif
Bashar Awad MaaroufDaif
Zubair Ali ZaiDaif
In-book reference: 32:14