OP has a stalker, the detectives of 2X determine it’s actually her boyfriend!

I (29F) have a stalker. How do I figure this out?

TL;DR I have a stalker, have exhausted all options, and don't know how to figure out who it is.

I have no idea where to start with this because I’ve never been involved in anything remotely  dramatic in my life. Nonetheless, I’ll try to be concise:

Someone is 1) aware of whenever I arrive at my partner’s house and 2) knows when and where my partner and I travel abroad. They then contact my partner’s ex and harass them with this information via burner social media accounts, text messages and automated phone calls from random numbers. I don’t really know the ex but clearly someone thinks this information will agitate them? No clue, I’m just minding my business over here but it sure is causing a mess of irritation.

My concern is that someone clearly monitors my whereabouts on multiple levels and I have no idea how this is happening.

I only share my plans with two people ever and there is no scenario it is them. My one close friend has absolutely zero reason to do this especially knowing how much distress it causes me (unless she is a psychopath that flew under my radar for 10+ years). And my mother is absolutely incompetent with everything and especially technology. There’s just no way, and I checked my mother’s devices entirely. She does nothing suspicious as expected.

My partner also only shares with two people and he also swears it could not be them for pretty much the same reasons. These are people we adore and are close with, they wouldn’t hurt us like this and they have absolutely no motivation to. He’s also taken the same precautions I have listed below.

Please help!

Here’s what I’ve done so far:

-Changed all passwords and logged out of all accounts. Obviously the most important was email in terms of finding out life details

-Added 2 factor authentication on all accounts

-Deleted any unknown devices from all accounts. There weren’t many and seem like just old phones.

-Checked my phone and my car for anything suspicious in terms of tracking or hacking. I can’t find anything. I even bought a bug sweeper. The last place I haven’t swept is the outside of my partner’s home. I will do that soon but that still doesn’t explain knowing our vacation plans multiple times now!

-there was a weird unknown phone paired to my car Bluetooth but I don’t know if that’s a previous owner or something and I don’t think I’ve ever seen it connected. Or how that would even be relevant

-Changed my lifelong phone number (sigh…this one sucked)

-Deleted all social media although I have no posts. Deleted them all years ago for privacy and haven’t posted since. Not a big social media person

-Checked location services are only on relevant apps when they are in use. Like Uber..truly only the necessary ones

-Started using a VPN at all times

-Checked the wifi for unknown devices, can’t find any

-literally watched for someone physically following me but never found that to be happening

There is probably more that I cannot recall because I really went off. I don’t even know why I took some of these actions, I’m just blindly trying everything to possibly stop this. Kitchen sink approach.

Could this be someone that is one further step removed? But why in the world would my mom or friend tell someone else all of these events in detail?

I have no enemies to my knowledge.

I even have scenarios where I DIDNT share my plans with anyone and yet this stalker still knew.

Does anyone have strong opinions on how in the heck this could be happening??? I’m really lost.

Thank you in advance if you made it this far.