Getting my coworker fired after she tried to sabotage me — even though she has three kids?

In the high-stakes world of a bustling marketing agency, a young woman’s hard-earned promotion ignites a silent war. Her dedication and late nights earn her the leadership she deserves, but beneath the surface, envy and resentment fester in the heart of a once-friendly coworker whose bitterness turns toxic.

As trust crumbles and sabotage lurks in the shadows, she refuses to be a victim. With quiet determination, she fights back—not with confrontation, but with careful strategy and unyielding resolve, proving that strength often lies in vigilance and resilience.

Getting my coworker fired after she tried to sabotage me — even though she has three kids?

I (29F) work in a fast-paced marketing agency. I’ve been there for about four years, recently promoted to a project lead position. I’m not the kind of person to brag, but I work hard, stay late, and honestly deserve the role I got.

Not everyone agreed, apparently.

There’s a coworker, “Rachel” (33F), who I used to be friendly with. She was also gunning for the promotion and didn’t get it. After I got the role, she got… weird. Passive-aggressive comments, icy attitude, and borderline insubordination when I was assigned to lead a team she was on.

Still, I tried to keep things professional.

Then, things started going missing from our shared drive—files I KNOW I uploaded, slides with last-minute changes disappearing before client meetings. She’d point it out in front of everyone like, “Oh, weird, I guess [my name] forgot again.” I started second-guessing myself.

So I got smart. I set up a private backup system and started keeping logs of everything—timestamps, emails, Slack messages. Eventually, I caught her red-handed. She had been deleting or reverting my changes late at night after everyone else logged off.

I even got her on video (our remote desktop software logs user sessions).

I took it to HR. She denied everything… until she saw the receipts. Her face went pale. She admitted it but said it was because she was “frustrated” and “felt undervalued” and was “just trying to make me look bad, not ruin anything.” She cried.

HR fired her on the spot.

Now here’s where things get messy. She’s a single mom of three. I didn’t know that until after the fact. People in the office are split. Some say she deserved it. Others say I should’ve just confronted her instead of going to HR and “destroying her life.” I’ve been getting cold shoulders from a few people, and even a friend of mine at work asked, “Was it really worth it?”

I feel awful… but also, she tried to torpedo my career. So… AITA?

Here’s how people reacted:

Tremenda-Carucha

NTA, really, protecting your career is paramount, and while it’s awful about the kids, her actions created the situation she’s now facing, it’s like, you know, maybe she should have thought twice before deleting files., and honestly, as someone who occasionally forgets where I put my keys, I get the frustration of losing things, but sabotaging someone else’s work is just… a whole other level, and it reminds me of that time my dog ate my favorite shoes… anyway, it’s a tough situation, but you did what you had to do to protect yourself, and to be honest, that’s something I’d expect anyone to do, even if it’s a difficult choice.
AdMurky1021

~~She’s a single mom of three. I didn’t know that until after the fact. People in the office are split. Some say she deserved it. Others say I should’ve just confronted her instead of going to HR and “destroying her life.” I’ve been getting cold shoulders from a few people, and even a friend of mine at work asked, “Was it really worth it?”~~

~~I feel awful… but also, she tried to torpedo my career. So… AITA?~~

None of that matters, if it did SHE should have thought about the consequences of her actions.

Gau-Mail3286

NTA. I think you made the right call, and HR did, too. Being a parent doesn’t give you carte blanche for unethical conduct. If anything, she should feel bad about how her actions hurt her kids.

On another level; it sounds like you have a toxic work environment, with people rebuking you out of sentimentality, instead of looking at the ethical and moral issues. That’s very unprofessional of them.

Anyway, going forward, I hope things get better for you at work.

ObservationMonger

They could hardly keep her around after she’d been proven to be a vandal.

That said, most of these AITA stories sound fake. Imean, you need to come here to ask that question ? You suspected foul play, set a trap, she sprung it, you turned her in. Do you honestly think it would have been appropriate to sweep her corruption under the rug ? Don’t buy it.

Moist-Departure2649

The fact that she has kids is tragic, yes, but it doesn’t make her immune to the consequences of her actions. Being a parent doesn’t give anyone a free pass to sabotage a colleague. She wasn’t protecting her kids she was attacking your livelihood.You didn’t ruin her life. She made choices. You protected yourself.Stay professional. You did the right thing.
Otherwise_Degree_729

NTA. Just so you know. You don’t have friends at work, they are coworkers. Everyone saying was it worth it would have done even worse if she was messing with their livelihood and career.

She should have thought of her three children while deleting someone else’s work documents.

OldGamerX79

NTA. SHE DID THIS TO HERSELF. Literally the definition of FAFO. She knew what she was doing was wrong and she still did it. There were consequences for her actions and she had to face them. That is not your fault and she did this to herself.
Sebscreen

NTA. It’s on her that she chose to undertake risky actions that could have gotten her fired knowing full well her kids were depending on her.

How did you get her on video btw? Like a screen recording of her cursor moving and changing things?

Amazing-Wave4704

Its not just that she deserved this. Its not just about YOU. She misused company resources and cost the COMPANY money. It is grounds for immediate dismissal. Sorry you are working in a kindergarten. But NTA.
stupit_crap

NTA. She did that all on her own.

The people saying you should have just confronted her. RIIIIIIGHT. Like that would have worked.

Do the people who say this know she manipulated files to this extent?

wireless1980

YTA. If you have a team lead position then you have to handle conflict as a professional. You skipped all the possible ways of solving conflict available, and went directly ballistic.
emilyyancey

As soon as the single mom started sabotaging your work, she was actively working against the best interests of the company. Not sure why anyone would expect not to get fired for that.
Demonslugg

She did it to herself. NTA. Her kids are her problem. Maybe next time she work hard or try to move on instead of sabotage. She damaged the company. They will never let that go.
Chemical_Shirt7837

Well deserved I’d say not your problem she has kids that’s something she should of thought about before trying to ruin your life. Move on and never waste another second on her
Neuropathic1980

If she’s a single mother of three she should have known better then to fuck around with her job and most importantly someone else’s. Play stupid games win stupid prizes. NTA.
Efficient_Most439

C’mon now, you’re clearly not the AH. Play stupid games, win stupid prizes. Would she have felt bad if you were fired because of her actions? Of course not.

Move on.

SubstantialRemove967

She created her own problem. Not yours to deal with. Hope her pettiness is chock full of calories since she chose it over putting food in her kids’ mouths.
JustMMlurkingMM

NTA. She was trying to get you fired to take your job. She fucked around and found out. Her kids aren’t your problem, she is the one who has let them down.
Reddit____user___

Well done.

Absolutely NTA.

She brought the entire thing on herself.

Anyone defending her obviously didn’t have to suffer being sabotaged by her.

Tar-Nuine

Ah yes because confronting her with the accusation and proof of her sabotage would absolutely make her be nice to you suddenly…
Kyra_Heiker

Maybe if she needed the job she shouldn’t have done something that was wirth firing her over. The fault lies squarely on her.
pikcandy

NTA – She played sabotage, not peekaboo. Having kids doesn’t give anyone a license to wreck careers like it’s Mario Kart.
Smileeycake

NTA, she literally was trying to end ur career! Congratulations for being smart and handling things professionally
Serious_Pause_2529

NTA. It was you or her, don’t kid yourself. She was gunning for you and was aiming to get you fired.
Summertime-Living

NTA- She’s just learned that her actions have consequences. Play stupid games, win stupid prizes.
No_Limit_2589

She still tried to sabotage you fully knowing she had kids. That’s on her, not you. She FAFO. NTA
redelectro7

She wasn’t thinking about her kids when she did it and she knew about them. You didn’t.
Chairchucker

She deserved to be fired, she was actively sabotaging the company she worked for. NTA.
Rddtmcrddtface

Well… she was trying to destroy your life, right? She fully did this to herself.
majesticalexis

She got exactly what she deserved.

It would have been you if she wasn’t caught.

Ok-Abbreviations4510

She should have thought about that before she did what she did. NTA.
ReallyEvilRob

Not only did she let the company down, she let her family down.
Nightwish1976

This never happened. It is an AI-generated post.
Princess_2212

NTA She got exactly what she deserved
BambooCyanide

I’m really tired of these fake posts
agent_ninety9

FAFO (F#$K Around Find Out)

NTA

Conclusion

The original poster (OP) is struggling with the emotional fallout of reporting a coworker’s sabotage, which resulted in that coworker’s immediate termination. While the OP acted to protect their professional standing against malicious career interference, the knowledge that the terminated coworker is a single mother has introduced significant guilt and external judgment regarding the severity of the consequence.

Given that the coworker engaged in deliberate, documented attempts to undermine the OP’s job performance, was the OP correct in escalating the matter directly to Human Resources, or would a direct, private confrontation have been a more ethical first step, balancing professional protection against personal empathy?

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