The family lived in a fancy neighborhood in São Paulo. Suzane von Richthofen's father was a successful engineer, and her mother was a psychiatrist. Their two children studied in the best private schools in the city, and both had a promising future. Suzane was a law student and could speak three languages. According to BBC, the family was related to the Red Baron, a World War I legend.

The Cravinhos brothers had a different upbringing. Reportedly from a low-income family, they were mechanics, but both were supposedly unemployed when they committed the crime.

Von Richthofen secretly dated Cravinhos for two years, and her parents didn't accept the relationship. According to Murderpedia, they didn't like that Cravinhos didn't work, wasn't interested in studying, and smoked marijuana every day. If her parents were not around, von Richthofen could not only live her romance, but also inherit half her parents' fortune.

Von Richthofen and Cravinhos took months to plan the attack. On the night of the crime, she turned off the alarm system when her parents were asleep and helped the brothers sneak in. Von Richthofen remained in the living room while they went upstairs and killed her parents with iron rods they made at home.

After the murder, they made the scene look like a burglary by spreading papers in the office and taking some money. To create an alibi, the oldest brother went to a fast-food restaurant, while the couple spent the night in a motel. In the morning, von Richthofen picked up her 15-year-old brother, Andreas von Richthofen, went to the house, and "discovered" the crime scene.

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