Illustration by Shoshana Gordon/ProPublica. Source images: Jesse Costa/WBUR, Alyssa Sieb via Nappy, PatrickRich via Flickr. On the day 5-year-old Lens Joseph was killed by a Boston Public Schools bus last year, the driver had already struck a postal truck, ignored a stop sign and missed several stops, prosecutors said. When he got to Lens’ house, he dropped him off on the wrong side of the street and then ran over the kindergartner as he crossed in front of the bus. Transdev, a multinational company that has been the city’s sole bus contractor since 2013, hired and trained the driver of the bus that killed Lens. Yet a federal safety database shows no sign that the company was involved in the April 2025 crash. WBUR and ProPublica found at least 60 fatal Transdev crashes in the last decade, but the federal database shows only 18 under the company’s name. That means 42 fatal crashes are not identified as Transdev’s. This missing information is important because the Feder...