Police discovered that McMichael had purchased the two water buffaloes at auction on July 10, a day before the attack.

Opening up about the fateful day, McMichael's fiancée, Jennifer Green, 44, tells PEOPLE that the couple ate breakfast together that morning and last spoke on the phone at roughly 10 a.m. local time.

JONES, Okla. ( KFOR) – An Oklahoma man died Friday after being attacked by two water buffalo he had purchased the day before.

JONES, Okla. ( KFOR) – An Oklahoma man died Friday after being attacked by two water buffalo he had purchased the day before.

An Oklahoma City area man has died after being attacked by two water buffaloes he had purchased the day before. Here's how he will be remembered.

JONES, Okla. (KFOR) – The family of an Oklahoma man said he died Friday after he was attacked by two water buffalo that he ...

JONES, Okla. (KFOR) – The family of Brad McMichael confirmed he died Friday after he was attacked by two water buffalo. On ...