Also, if they are after you, they can find the location of a sim card that is not inside a phone with the accuracy of 10 meters by actively searching for it with higher power radio output from the cell towers. And that's what they can do in my homecountry, which has old tech, altrough they are very surveilance prone.
Also, just because the people were using the prepaid simcards in burner phones a d changing them before a court could sign a new surveillance order for the new number, you can't buy prepaid sims without showing id now in my country. So that's a well known method to the police since the phones were invented most probably.
"We ought never do wrong when people are looking." - Mark Twain
If the whole world smoked a joint at the same time, there would be world peace for at least two hours. Followed by a global food shortage.