My video doorbell did not modify anything. It is not hard wired. I just have a hard time believing that in this day and age NO ONE has one.
As a matter of fact, this article mentions surveillance cameras, so I guess they have some:
Citing law enforcement sources,
KXAN reports that police are now focusing on an 18-minute period on the evening of December 20, between 4:49 p.m. and 5:07 p.m. The report indicates that Lina is no longer visible on
any surveillance camera or seen by witnesses beginning at 4:49 p.m.
Missing Lina Khil: Police Zero in on Critical 17 Minutes on Day 3-Year-Old Vanished – Crime Online
But it was the afternoon. I just feel like something is not quite adding up. I can't quite place it, but there seems like that time of day with the amount of people around with the amount of technology in 2022... something more should be known.