Child's arm ripped off by washing machine door

The transcript describes a tragic accident where a 12-year-old boy, Lewis, lost his arm after opening a washing machine mid-cycle. The machine, rented from a local shop, is under investigation for safety failures. The company expressed concern, stating the machine should have had a safety lock. Lewis's mother seeks answers, emphasizing the machine's frequent use and potential danger. Despite the challenges, she is grateful her son survived and is determined to understand how the accident occurred.

What did Lewis's mother express about the washing machine's safety?

What does Lewis's mother want to know following the incident?