Footprints can be analyzed to estimate the suspect's height and weight, which Li Xiang also learned in forensic medicine, but there were professional forensic experts on-site, so he didn't step in to steal their job.

Today he brought along Coal Ball and stole the spotlight, from Coal Ball discovering the severed finger to finding the rest of the body parts, Coal Ball made a great contribution, and as Coal Ball's owner, Li Xiang also felt proud.

Soon after, he went down the river to fish out the body parts.

No one wanted to go down into the smelly ditch, but he volunteered, stealing the spotlight once again.

If he meddled in the footprint analysis, he might end up getting gang-beaten.

Everyone worked until late at night, only wrapping up after collecting all traces from the crime scene.

It was already very late today, and there were no other leads to follow for now, so everyone went home to rest. Meanwhile, the fragmented tissues had been taken back to the lab by the forensic team for overnight DNA extraction and comparison.

Luckily, he didn't choose to become a forensic expert, otherwise dealing with dismembered bodies alone in the middle of the night would be terrifying.

"Let's go, Coal Ball, let's go home."

Whenever he called, Coal Ball would immediately run to his side.

But now, when Coal Ball heard Li Xiang calling it, it just turned its head to look at him and then turned away, not forgetting to cover its nose with a paw, the anthropomorphic little gesture and expression clearly showing its disdain.

"Hahaha, look at Coal Ball's expression, it's too cute, isn't it?"

Coal Ball's human-like action was clearly seen by Zhou Man, especially its disdainful expression toward Li Xiang, which was indeed amusing.

Other people, hearing Zhou Man's comment, also looked over: "This dog has become a spirit, actually covering its nose with a paw."

"Wasn't it said that after the founding of the country, animals weren't allowed to become spirits? How does one explain this?"

"This is too clever, actually covering its nose."

Li Xiang felt a bit embarrassed, he didn't expect to be looked down upon by a dog one day, especially a dog he owned, which made him scratch his head and angrily say to Coal Ball, "I think you want some tough training tonight."

Coal Ball heard the word "extra training," and reflexively stood up, trotting over to Li Xiang, wagging its tail in a plea, as if saying, "I'm here now, so no extra training please."

"Now you're scared? Too late."

"Whine~"

Coal Ball felt a bit aggrieved, its exceedingly sensitive nose amplifying the stink on Li Xiang well beyond normal detection, can you blame it for having a sensitive nose?

Everyone saw Coal Ball, aggrieved like a little wife, following behind Li Xiang on the way back, and they started joking around: "Li Xiang's Coal Ball is quite in tune with human nature, it's impressive that he could raise a mongrel to this level."

At this moment, Guo Dajun, the captain of the police dog squad of the Fourth Unit, came over and said to Cao Gang, "Captain Cao, I feel humbled, couldn't lend much help, didn't expect our police dog squad to lose to your First Unit officer's dog today, and it's just a mongrel too, gee, outperformed, we have to go back and train harder."

"What are you saying, Captain Guo, Li Xiang and his Coal Ball just had good luck, not to be taken seriously, how can they compare to our well-trained police dogs."

Guo Dajun might be feeling defeated, but Cao Gang wouldn't make the mistake of talking nonsense, he saved face for their police dog squad.

However, Guo Dajun seriously said to Cao Jun, "Captain Cao, this Coal Ball feels different to me, as if it underwent rigorous police dog training and is extraordinarily sensitive in scent tracking. Sure, police dogs have very sharp noses compared to humans, but they have limits; today's tracking difficulty might seem easy for police dogs to scent a trail, but from a trainer's perspective, few police dogs could complete such a task, none of the three police dogs I brought today succeeded."

Seeing Guo Dajun speak with a serious demeanor, Cao Gang knew he wasn't joking; apparently, Li Xiang's Coal Ball is indeed something special.

"You mean that his Coal Ball is even more police dog-like than those from our official police dog base? Are you sure you didn't get it wrong? Although I don't know what breeds can be police dogs, I do know which breeds aren't police dogs, right? I've never seen a mongrel fit the role."

"There are mongrel police dogs too, in rural areas we often find mixed-breed dogs trained by folks that are as good as real hunting dogs in terms of enthusiasm and obedience. Some can even track prey to their lairs by scent. But these individuals aren't representative, to put it simply, they only produce one outstanding dog, its offspring won't meet this standard, whereas police dog breeding focuses on the group, not particularly exceptional individuals."

Guo Dajun explained, not that mongrels can't be police dogs, just that such dogs are a result of local mixing, carrying many different breed traits, meaning their genes aren't stable, they may rarely produce one meeting all hunting dog standards, difficult to form a breed group during breeding.

Also, quantity is vital for police dogs, if only one police dog emerges from dozens of puppies, such a price is too high.

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