AIBU to want to find out who drew & wrote on my settee?

[Allgoodnamesaregone]

Held DD10s birthday party in our house last Saturday. Few Yr 5 friends from old & newish school (She's been there since beginning of Year 3) & 5 of my grandchildren. I'd been using dark felt pen to keep scores. Put it down when went to cook burgers. After party I discovered a lot of scribble and the word FUN on the side of me settee. DD10 was shocked as me - it wasn't her. 2 youngest grandkids are 4 & can't write yet. 2 of my grandsons are extremely lively, often misbehave in my house, their mam has caught them writing on walls at home recently & they were annoyed with me at party because I wouldn't let them have tv on for football scores, & I wouldn't let them play Quidditch in the garden again as we didn't have time. All children in the house were old enough to know better. Really don't think it would have been school friends, they have always behaved well in my house. When texted DD she said boys knew nothing, I asked her to question them again, as circumstantial evidence points to them. She's now not speaking to me. I understand her being upset but shes now not coming to family events later in week. I've been told to leave it & not bother trying to find out, but I want to know who cares so little for me & my belongings.
The seette is only just 2 years old, I still have 2 years to pay on it & the pen hasn't come out.

It could have been any of them. One of Ds1s friends once stamped his name all over Ds1s wardrobe. He was 14 at the time so definitely should have known better!

@stitchingmoss I've broken a shower screen in my time, through standard use, so I'd say it's fairly normal - and a kid could easilly be tempted to swing on it without realising the consequences if it falls.

Some kids just struggle more with impulse control than others. I didn't really have it nailed till my 20s, and I'm a girl!

Whether your grandsons are guilty in this case or not, the fact they have form for it doesn't speak well of them. Maybe it's time their parents taught them to behave better so that they aren't instantly the top suspects when something like this happens.

I have three nephews whom I love dearly but every time they come to my house they either damage or destroy something. I've lost a wall clock, a thermostat, three large family photos and a shower screen in the last year. Little sods. Nowadays they aren't invited over much and we see them at the GPs house! That's just how they are though, it's not malicious
It might not be malicious, but it's far from normal. I've had more kids in and out of my house over the years than I care to recall, and nothing even remotely like this has ever happened.

soak it with milk if you can, keep it wet and the milk should draw the ink out....

Claim for accidental damage and replacement sofa on your home insurance policy?

Sounds like it was one of them, but I think that's as far as you're going to get. Their mum (rightly) isn't going to punish them when it could have been someone else.

I think it is Malicious. Maybe a power thing - you wouldn't let them watch the footie results but they can mess up your sofa, or envy? Is their house as nice as yoursand they resent what they haven't got? But you can't prove who did it, even the one watching will look guilty if you ask. You have made it known you suspect them, I would think that that will mean they won't do anything again.
What does everyone say when you announce that you are putting remote control away so they don't hide it?

I got biro out of my top with hand sanitiser gel, might be worth a try?

I don't know, but the not being able to play Quidditch part made me snort