Cats missing from N McLean area. Any info appreciated.

Hey, I know a lot of these have been posted recently but here I am. I am putting this out here because my sister has posted everywhere she can think of but is not on Reddit. My sister's cats have been missing from the N. McLean area in Midtown for several days. One of their airtags was last pinged near the Target house last night around 8 PM, but has not been reported found. they are wearing collars labeled with "Phox" and "Patchie" and are microchipped. Phox in particular is on medication that he should be taking daily, and she is very worried about both of them. If you have any info, please reach out to me. Thanks so much and happy holidays.