A wealthy dentist accused of fatally shooting his wife at the end of an African safari has been found guilty of murder and mail fraud.

A wealthy dentist accused of killing his wife during an African safari and later collecting nearly $5 million in insurance proceeds admitted to the killing to his longtime lover, a federal prosecutor told a jury Wednesday.

A Florida dentist has been arrested on charges that he hired hit men eight years ago to kill his sister’s ex-husband, a prominent law professor.