Jingmen Dongbao police investigate major case of cross provincial theft and sale of Liugong excavator parts series

2025-05-09

Following the prosecution of 11 illegal suspects on suspicion of theft or concealing illegal activities, 23 cases involving the theft of surveillance cameras and pump controllers from LiuGong LiuGong excavators with a value of over 1 million yuan, which occurred in Lu'an, Anhui, Gao'an, Jiangxi, Guilin, Guangxi, Yichang, Jingmen and other places, have been solved after more than a year of difficult evidence collection.

Recovered stolen Liugong excavator parts.

Black hand reaches for excavator's' heart '

On February 4, 2017, the eighth day of the first lunar month, Master Chen arrived at a seafood construction site in Pailou Town, Dongbao District as usual to prepare for work. After entering the excavator control room, he found that a monitor and pump controller worth more than 50000 yuan had been stolen. Dongbao Public Security Bureau found that on the same day, three excavator monitors and pump controllers were stolen from the same construction site.

After a few months, the police in our city received multiple similar phone calls: in April 2017, the excavator monitor and pump controller near a construction site on Longjing Road were stolen; On the evening of July 10, 2017, a Liugong excavator accessory was stolen from Lailong Village, Pailou Town, Dongbao District; On the evening of July 11, 2017, a case was reported at the intersection of Jinghe Road and Yangguang Fourth Road in Duodao District... In mid July 2017, Zhang, a resident of Shilipu Town, Shayang County, bought an excavator that had not yet removed the hanging big red flower. It was stolen at his doorstep that night, and the policy was still to control the indoor monitor and pump controller.

Liugong excavator parts have been stolen one after another, which has attracted the attention of the police. Multiple similar cases, with very similar modus operandi and methods. The monitor and pump controller system, which can be described as the "heart" of excavators, were stolen, and the steel behemoth worth one or two million yuan suddenly became a pile of "scrap metal", seriously affecting the production and construction process of the construction site.

In order to restore peace to the people and safeguard the development of enterprises and local economy, in July 2017, the "7 · 11" special team was established with the Municipal Public Security Bureau as the leading force, the Dongbao Public Security Bureau as the main battlefield, and the Jingmen High tech Zone Duodao District and Zhanghe New District Public Security Bureaus working together to search for clues and catch thieves from the complex and complicated cases.

Excavator second-hand parts mall hides hidden tricks

On the one hand, the specialized police officers visit and inquire about the relevant information of each case, and on the other hand, carry out night time surveillance in an attempt to "catch both the stolen and the injured". But the cases all occurred at remote temporary construction sites, where there was no dedicated parking space for excavators after construction, no one was guarding them, and there were no witnesses or surveillance videos; The owner often discovers the theft only after the incident, so it is difficult to determine the time when the suspect committed the crime... At the beginning of the operation, conventional investigation methods did not find any substantial clues.

The monitor and pump controller, as the program control components of the excavator, are one of the core components. A new set of monitor and pump controller accessories is worth 50-60000 yuan; The second-hand parts only cost two to three thousand yuan, and the application effect is no different from that of new parts. This is a good choice for excavator owners who urgently need to solve the problem of damaged control systems. Buying second-hand parts is a good choice.

Ordinary people generally do not know the installation location and disassembly method of these accessories. Thieves should be 'experts' who understand excavator related skills. After analysis and judgment, the special task force decided to break the fixed pattern of investigation and start with excavator repair personnel and stolen accessories, using objects to find people.

The specialized police conducted a survey of all excavator repair personnel in the city, grasped the extraction methods of data related to multiple brand excavator monitors and pump controllers, and completed the collection of excavator related information used in the market.

On July 30, 2017, there was a response to the plea sent to various excavator manufacturers and local public security organs for assistance in inspection: after the parts of the Liugong excavator were stolen in the urban area in July 2017, the parts used for repair were from another excavator that was stolen in April 2017, and the repairman was Mr. Dong.

38 year old Dong has one of the best skills in repairing excavators in the industry. Nearly 80% of the excavators with stolen surveillance cameras and pump controllers in Jingmen urban area were repaired by his hands, and the required second-hand parts were sold by Luo, a Liugong excavator parts dealer in Wuhan.

There are both sales and purchases, and there are tricks in the recycling of second-hand parts in the mall! The reaction information inspired the specialized police officers, and the investigation of the case was completed before the big data met the requirements.

The suspect identified the crime scene.

Blow up cross provincial smuggling gangs

In the face of police inquiries, Luo spoke without fail that the second-hand excavator parts came from a Liugong excavator parts sales company in Jining, Shandong. The police traced the clues and found out that all the second-hand parts of the company came from a man named Ding from Jining.

Further investigation revealed that although Ding supplied goods to the parts company, the company was unaware of his true identity: the two met in a local excavator WeChat group, and each time they supplied goods, they contacted each other by phone before Ding delivered them to their doorstep.

In early August 2017, specialized police officers arrested Ding in a residential area in Jining and seized 20 sets of second-hand excavator parts. It is reported that these "accessories" were purchased by Ding from "WeChat group netizens" at a price of about 7500 yuan per set.

By utilizing limited information resources, repeated communication, comparison, and identification, the police grasp the pattern of illegal suspects using the internet as a platform to engage in theft, sale of stolen goods, and other illegal activities: each illegal suspect is surrounded by different illegal small groups, often unknown to each other and with low correlation; Except for a very small number of stolen goods delivered by suspects, most of them are searched for buyers online, contacted, priced, and arranged for logistics delivery.

Although the illegal activity of "offline theft, online ordering" has a wide range of crime areas, long fronts, and strong concealment, and the investigation form from object to person is difficult to determine detailed cases and theft suspects for the time being, the specialized police officers still dug through the details, clarified the hierarchy through big data analysis, and carved out a more accurate map of the illegal sales network.

Following the investigation, from August to October 2017, Yang (32 years old, from Yichang), who supplied goods to Ding, as well as Guo (44 years old, from Shaanxi), Ge (33 years old, from Jiangxi), Kang (30 years old, from Guangxi), Huang (45 years old, from Guangxi), and Li (42 years old, from Anhui), who were "offline" of Yang's source of goods, were successively arrested. They uncovered 23 cases of excavator monitors and pump controllers theft that occurred in Lujiang, Lu'an, Gao'an, Guilin, Yichang, Dangyang, Jingmen and other places in Anhui, and confiscated more than 50 stolen goods with a total amount of over one million yuan.

Now, 11 people have been prosecuted by the public prosecution for suspected theft or concealing illegal acts.

In addition, with the application of orbital data in combat, the Jingmen police have broken through regional and police type closures, dynamically and operationally investigated and judged more than 50 key suspects, and submitted more than 500 clues related to the case to the Ministry of Public Security for distribution. They have launched a nationwide cluster war, laying the foundation for further linking cases, digging deep into illegal activities, completing precise and batch solving cases.

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