كتاب الديات عن رسول الله صلى الله عليه وسلم
16  
The Book on Blood Money
(22)
Chapter: What Has Been Related About: Whoever Is Killed Over His Wealth, Then He Is A Martyr
(22)
باب مَا جَاءَ فِيمَنْ قُتِلَ دُونَ مَالِهِ فَهُوَ شَهِيدٌ
Jami` at-Tirmidhi 1420
(Another chain of narration) from 'Abdullah bin 'Amr, from the Prophet (ﷺ) with similar meaning.
Reference : Jami` at-Tirmidhi 1420
In-book reference : Book 16, Hadith 37
English translation : Vol. 3, Book 14, Hadith 1420