He frequently traveled to the scene of the crime, searching for and extracting all kinds of traces and physical evidence; he buried his head in the laboratory for a long time, analyzing and solving the mystery of a case; he could make the evidence "speak" through one after another imperceptible clues, he was Deng Kai, a police officer of the criminal technology brigade of the criminal investigation detachment of the sub-bureau.
Deng Kai has participated in the work for more than ten years, has participated in the investigation of more than 2,000 cases of various types, provided strong support for the investigation and handling of cases, has won the third class of personal merit once, once commended, in 2018 was selected into the national public security organs criminal technology young talent pool, in 2019 under the leadership of the sub-bureau organization, the criminal investigation detachment set up the "Red Rock Youth Attack Team", Deng Kai served as the leader of the attack team, leading all team members to actively participate in the construction of the "National Demonstration Laboratory" and "National Key Electronic Evidence Room", and achieved impressive results. In 2020, Deng Kai was rated as an outstanding Communist Party member by the sub-bureau for his outstanding performance and outstanding achievements.
Careful investigation and identification of the bandits There are no traces of clues
No less thrilling and ups and downs than the arrest work, technical work has few front-line experiences of confronting suspects and charging into the front, and is mostly searching for traces over and over again, the content is monotonous, and even some are boring. However, the information discovered by the criminal investigation technology police is an important evidence of the cracking of the case, the arrest of suspects, and the conviction and sentencing.
▲ Deng Kai tested the physical evidence in the trace laboratory
On August 10, 2012, a gangster shot, killed, injured two, and quickly fled in front of a bank in Chongqing's Shapingba district, snatching the satchels of the deceased. After the incident, the sub-bureau immediately organized the criminal investigation technical police to investigate the scene. Deng Kai, who has just participated in the work for less than two years, encountered such a big case for the first time, although he was a little nervous, he still fixed his mind and put on the survey equipment and went to the scene with his colleagues. After arriving at the scene, Deng Kai carefully searched for traces, extracts, shell casings, fingerprints and even hairs... No clues are left unpunished. After the on-site investigation, Deng Kai quickly submitted the physical evidence to the Criminal Investigation Corps, and after technical appraisal, it was confirmed that the bandit was Zhou Kehua, a suspect in the "Su Xiangyu Series Armed Robbery and Murder Case" who had committed crimes in Chongqing, Hunan, and Jiangsu for many years and shot and killed many people.
▲ Deng Kai investigated the scene where Zhou Kehua was killed
After the identity of the bandits was determined, the sub-bureau immediately arranged police forces to carry out sealing and arresting in the Gele Mountain area where Zhou Kehua may be hiding. On August 14, a man with a high suspicion of Zhou Kehua appeared in the sight of the crouching police and engaged in a fierce gun battle with two police officers who followed him in a street near the Tongjiaqiao police station. Deng Kai once again participated in the investigation of the killing scene, and this time Deng Kai was more calm and calm, and methodically inspected the traces of the scene. The man was Zhou Kehua, a bandit who robbed in front of the bank 4 days ago, and a shocking case came to an end. In the "8.10" case in Chongqing, Deng Kai participated in the on-site investigation throughout the process, which played a key role in locking zhou Kehua. In September 2012, due to his outstanding achievements in the investigation of the "Su Xiangyu" case, the sub-bureau gave Comrade Deng Kai a personal third-class merit.
Trace and track the thief and race against the clock to save the loss
▲ Deng Kai and colleagues are carrying out electronic data extraction
Major and important cases are inseparable from the meticulous investigation of the criminal investigation technology police, and the vital interests of the masses are also inseparable from their patrol tracking. A small theft case, although the value of the case is not large, but it is the hard money of the people, to find clues, catch suspects, recover losses at the fastest speed, is the key to improving the sense of gain, happiness and security of the masses.
On the evening of April 26, 2021, the criminal investigation detachment received a telephone report from the Fengwen police station that a household in a community in the jurisdiction had been stolen and requested assistance in investigating the scene. Deng Kai, who was on duty, put down the matter in his hand, picked up the investigation box and quickly drove to the scene. The reporter is a mother-in-law, when the crime occurred, she was at home to coax the child to sleep, suddenly saw a figure sneaking into the bedroom, took the satchel at the head of the bed and ran, and when the old man got up, the thief had already fled through the window and disappeared. After understanding the situation, Deng Kai quickly launched a comprehensive investigation of the scene and found that the suspect's escape through the window was a platform that could lead to other residents on the same floor. Based on the traces of the preliminary investigation and the information reported by the reporter, Deng Kai judged that the perpetrator was most likely hiding in the same floor. The direction of the perpetrator's escape and the remaining footprints were traced, and suspicious footprints and handprints were found in the windows and floor of one of the residents. Deng Kai entered the house and locked one of the bedrooms according to the footprints on the ground. Although the man in the bedroom denied it, the experienced Deng Kai saw the slippers next to the bed at a glance, and through comparison, the pattern of the sole of the slippers was completely consistent with the ground shoe prints at the scene of the crime, and it was initially concluded that the man was the suspect. In order to ensure that nothing goes wrong, Deng Kai immediately checked the fingerprints of the scene after returning to the team, confirming that it was indeed left by the suspect, and in the face of ironclad evidence, the suspect had to truthfully confess his crime. From receiving the telephone report to successfully solving the case, Deng Kai only spent half an hour to investigate the scene and analyze important information, providing key evidence for the arrest of criminal suspects.
Diligent study, diligent thinking, diligent progress, dare to fight and dare to tackle tough problems
The on-site investigation of unnatural deaths is also the job responsibility of technical police, and it is more complex and difficult than the general criminal case scene. Especially in the hot summer of Chongqing, the scene of highly corrupt corpses increased, and in the face of the scene of the foul smell and maggots on the ground, Deng Kai buried his head and worked hard without distraction, just to find out the cause of death, restore the scene of the incident, determine the nature of the incident, and comfort the undead and comfort the living. On June 23, 2020, an elderly man living alone was found dead in his home, the body was highly decomposed when it was found, there was a dagger in the left hand position of the body, and footprints were found on the balcony railing, suspected of murder, but there were no traces of fighting at the scene, there were no pry marks on doors and windows, and there was no property damage, and the characterization of the case became a mystery. In order to find out the cause of the old man's death, Deng Kai braved the heat and stench to begin a detailed investigation of the scene. Flies flew in droves in front of his eyes, maggots crawled layer after layer around the corpse, and Deng Kai was undistracted, meticulously collecting and investigating any items that might have clues at the scene. Finally, after investigation and information provided by the family, it was determined that the dagger was placed by the old man himself on the bed for self-defense, and the footprints were left by the installation workers, excluding him from killing, and the truth of a suspicious case surfaced through Deng Kai's investigation.
▲ Deng Kai tests the mobile phone in the electronic evidence laboratory
In the face of the high incidence of new types of illegal crimes in telecommunications networks, Deng Kai also took the initiative to participate in the work of cracking down on telecommunications network fraud, actively participated in training and self-study, broadened the scope of knowledge, improved professional skills, and while doing a good job in on-site investigation and trace inspection, part-time inspection work of electronic evidence laboratories. In 2019, Deng Kai participated in the cross-border crackdown on new telecommunications network fraud organized by the Ministry of Public Security, and was responsible for inspecting the electronic data involved in overseas telecommunications network fraud gangs. Due to the large number of people involved in the case, the large amount of electronic equipment involved in the case, the tight time and the heavy task, Deng Kai worked overtime, inspected hundreds of mobile phones, computers and other equipment in a short period of time, detected more than 50,000 pieces of citizen information, and sorted out nearly 30 victims according to the detected data, providing strong technical support for the detection of the case and the recovery of stolen goods. Supported by reliable data, 69 criminal suspects were arrested and arrested.
The sword blade came out of the grinding, and the plum blossom fragrance came from the bitter cold. In the face of the messy, even mosquito-fly-filled and foul-smelling crime scene, Deng Kai took root in the technical post, always kept in mind his duties, original intentions and missions, worked diligently and diligently, willingly became a "behind-the-scenes worker", and interpreted the noble sentiment of selfless dedication of a criminal investigation technical policeman to the cause of public security in the new era with more than ten years of silent persistence and hard work.