Sayyiduna Zayd bin Khalid al-Juhani (may Allah be pleased with him) said: A man died on the day of Khaybar. The Companions (may Allah be pleased with them) mentioned him to the Messenger of Allah (peace and blessings be upon him). He (peace and blessings be upon him) said: "Offer the funeral prayer over your companion." Because of this, the people's faces changed colour. The narrator thought that the Messenger of Allah (peace and blessings be upon him) said: "Your companion has committed breach of trust in the way of Allah." We searched his belongings and found some beads of the Jews' beads that were not worth even two dirhams.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب السير / 18205