3. Muhammad kills Safiya's family then has sex with her on the way home
Safiya was a Jewish woman whose father and husband were killed by Muhammad's men. Muhammad liked how she looked so he took her and had sex with her on the way home. She became one of his "wives".
From three credible hadiths
"The Prophet (ﷺ) had their warriors killed, their offspring and woman taken as captives. Safiya was amongst the captives, She first came in the share of Dahya Alkali but later on she belonged to the Prophet." Sahih Bukhari 4200
"We arrived at Khaibar, and when Allah helped His Apostle to open the fort, the beauty of Safiya bint Huyai bin Akhtaq whose husband had been killed while she was a bride, was mentioned to Allah's Apostle. The Prophet (ﷺ) selected her for himself and set out with her," Sahih Bukhari 4211
"The Prophet (ﷺ) stayed with Safiya bint Huyai for three days on the way of Khaibar where he consummated his marriage with her." Sahih Bukhari 4212