How did the murderer of Xuzhou kindergarten explosion get the explosive equipment?

How did the murderer of Xuzhou kindergarten explosion get the explosive equipment?

At about 5: 30 pm on June 15, an explosion occurred in front of a kindergarten in Fengxian County, Xuzhou City, Jiangsu Province. That night, the Xuzhou Municipal Government Information Office reported through the official Weibo that the accident * * * caused 7 deaths and 59 injuries, including 9 serious injuries. The cause of the accident is still under investigation. At present, there are many videos circulating on the network.

At that time, the scene was in chaos, and the explosion site was outside the door, about 3 meters away from the entrance of the kindergarten. Visually, the front door glass of the kindergarten has been completely shattered, and the glass on the second floor has also been damaged. At present, the site has been blocked. According to witnesses at the scene, the explosion occurred around 16:30, and all the injured people were sent to the local people's hospital.

The county party secretary, county magistrate and other county leaders have rushed to the scene for disposal after receiving the report.

CCTV reporters learned from the police that an explosion occurred in Fengxian County, Jiangsu Province on June 5 16:48, killing 8 people and injuring 65 others. Later, the public security organs identified the case as a criminal case. After on-the-spot investigation, investigation and interview, video surveillance and retrieval, physical evidence inspection and DNA comparison, the public security organ determined that the explosion was caused by an explosive device made by Xu Moumou (male, 22 years old, from quanshan district, Xuzhou), who died on the spot.

It has been found out that after dropping out of school due to autonomic nerve dysfunction, Xu rented a house near the crime scene to work. In the rented house, it was found that homemade explosive device materials were left behind, and the words "dead", "dead" and "absolutely" were left on many walls.