I honestly am not sure anymore, at this point i'll let bf4db handle it. If they state that it's possible i'm perfectly ok with it. Whatever happens next i'm sorry If i falsely accused you. (Guess i'm on crack or smth). 

@Russao i matched her video settings on there and here
https://streamable.com/yynyo

First off i like to apologise about the things my friends said about women i don't stand with their opinions and at the time i was distracted with other things. I've dealt with them personally and will be moderating this kind of behaviour stricter.

Second i may have indeed explained it wrongly. As in the cheat is indeed not nospread but rather no recoil. They usually go hand in hand but let's say you only you use no recoil. (I completely agree with your spread explanation).

Now to the norecoil part if you were to be tapping which would introduce constant first shot recoil. Which is higher then going full auto. This would mean your hand should have ended up way further down your mousepad,as you'll have to constantly counter the first shot kick of the ACE 23. (Btw has one of the highest first shot recoil of any assault rifle.

I can test this again but i doubt i'll have less hand movement as before.

she's using 400 dpi 19% in game which i used as well.. Look on her profile :)

Player : https://bf4db.com/player/380917947

Mouse barely moves: 

https://youtu.be/WdTl-k2K4YU?t=155

Using the same settings as her :

https://streamable.com/azdla

She's using the same x/y sens :

https://cdn.discordapp.com/attachments/537611429969395712/664565185205501962/unknown.png

https://media.discordapp.net/attachments/436878143916343307/664565461395963924/Screenshot_300.png

In my opinion clear no spread/no recoil.

Wht do i need to look @?

https://bf4db.com/player/1905316397
https://youtu.be/KUoPN51oL9M?t=82

doesn't move his hand a bit while spraying

also

https://www.ggc-stream.net/search/server/guid/gid/6b999d22171b79f9c3e23a4729ceb151/game/41

"Sicario is not clean" before Sic crashed again(

Not much to say here only thing i found.

https://youtu.be/DBvirrF0lNk?t=129

Good recoil control

https://youtu.be/DBvirrF0lNk?t=161

Starts firing in hipfire goes to ads connects everything like a laser.

fast round tdm

https://youtu.be/HGaHUgtO4BY?t=71

Perfectly sprays down multiple targets

https://youtu.be/HGaHUgtO4BY?t=116

Sprays down some people proceeding to spray down a long range target

Yigr noobs, usual smoke prefires and trashtalk in the end. 8% sense

https://youtu.be/8IXKjdcHZd4?t=160

Starts firing on the exact frame the guys peaks

https://youtu.be/8IXKjdcHZd4?t=367

Very precise hipfire accuracy for both 3 kills

https://youtu.be/8IXKjdcHZd4?t=460

Prefires but the metal detector blocks his lign of sight.

https://youtu.be/8IXKjdcHZd4?t=749

perfectly sprays through smoke not even spam fire then waits on the the 3rd guy and perfectly kills him.

https://youtu.be/8IXKjdcHZd4?t=1098

scopes in the moment he is visible and starts firing also magically knows that there's a 2nd guy (info only shows one on the mini map)

https://youtu.be/8IXKjdcHZd4?t=1815

Starts firing pixel perfectly the moment the person peaks i can't properly see him push due to the fire and smoke.

https://youtu.be/8IXKjdcHZd4?t=1953

For his awareness completely forgets that there is a nade and peaks the guy no idea to why he did that.

129-12 21% acc, boring locker explosive spamming

https://youtu.be/Qgz02j51gAY?t=1243

perfectly hipfires 2 guys

https://youtu.be/Qgz02j51gAY?t=1313

prefiring hipfire, stopping then on the exact moment the guy repeaks connects his remaining bullets

https://youtu.be/Qgz02j51gAY?t=1424

bullets connecting through 2 teammates while hipfiring

https://youtu.be/Qgz02j51gAY?t=1488

hipfiring while heavily supressed

https://youtu.be/Qgz02j51gAY?t=190

accurate hipfire reloads and again pretty accurate hipfire

https://youtu.be/Qgz02j51gAY?t=1923

hipfires feels really accurate on all 3 guys he kills

https://youtu.be/Qgz02j51gAY?t=1997

manages to hit 2 hipfire shots (he deals 38 damage) on the same guy while having somewhat of a suppression on him

https://youtu.be/Qgz02j51gAY?t=2076

his hipfire ends up being more accurate as his ads?

Chat on Sic) Ppl steal toxic.Badaim magnum...

https://youtu.be/f-CFVqTiGGI?t=612

hipfires 7 bullets skip to 10:25 to see the impact it has. This in my opinion is the most obvious clip so far...

https://youtu.be/f-CFVqTiGGI?t=644

pretty accurate hipfire continued with another accurate hipfire spray

https://youtu.be/f-CFVqTiGGI?t=822

managing to hit a enemy while hipfiring though a teammate (shooting through teammates is buggy)

https://youtu.be/f-CFVqTiGGI?t=923

hipfiring 2 enemies from like 7 meters, teammate only starts shooting after he kills the first guy

https://youtu.be/f-CFVqTiGGI?t=1741

another interesting hipfire kill, my guess is the guy was around 60 hp

https://youtu.be/f-CFVqTiGGI?t=1795

another weird hipfire kill followed by another

https://youtu.be/f-CFVqTiGGI?t=1887

sprays down 2 people after jumping and in hipfiring

"Fat" mouse g502 70-8 25% acc aek\m320

https://youtu.be/U7cx_stJ26c?t=140

prefires the 2nd guy throught the metal detector and the proceeding to track him through the metal untill he realises the guy is dead.

Too much spam. 116-14 and only 19% acc. New G502 Hero on 10% sense 400dpi

https://youtu.be/pdSQURkJIeQ?t=848

Somehow pre-aims through his teammate towards an enemy then the enemy gets spotted and he starts firing.

player profile :

https://bf4db.com/player/302054043

I don't fully agree on the assistance of a cheater as in flying assistance what do you mean with that? My bet is he spawned on the "cheater" either accidentally or intentionally and got into that position (most likely intentionally in which i do support your standpoint).

Moving on to the stats. This can be easily achieved by something called badmin. Kick everyone that remotely has a sens of playing and voila free bot farm. I've done it myself somewhat as can be shown here https://bf4db.com/player/1003056653749 

To conclude he uploads all of his *good* rounds to YouTube, i don't think you'll see any assistance from a cheater. As i have high doubts the screenshot you gave here actually improved his round in any way. Than again i might be wrong.