Mary Kay Letourneau, a teacher arrested for an affair with her 13-year-old student, has died of cancer - CNN

The couple later had a second child.

Letourneau and Fualaau got married in 2005 soon after she was released from prison, but Fualaau filed for legal separation in 2017 just before their 12- year anniversary.

It is not clear why Fualaau filed for the separation.