What happened to the man in the yellow suit and Mae and Winnie?

In "Tuck Everlasting," the man in the yellow suit attempts to exploit the Tuck family's secret of immortality for profit. However, he is ultimately confronted by Mae Tuck, who defends her family. In the struggle, Mae accidentally kills him, leading to her arrest. Winnie Foster, who has formed a bond with the Tuck family, helps Mae by ensuring that the truth about the incident remains hidden.