Evidence

Thomas Sutterfield ate the sausage and drank from the Broad Street Pump. He was diagnosed with Cholera and is still recovering.

Tolly Martin used the Broad Street Pump and stole a sausage from the butcher. He died instantly from Cholera.

Matilda Wright only drinks from the Broad Street Pump and died from Cholera.

The Brown family only drinks from the Soho Pump and they are alive.