Can police trace VPN?

Can police trace VPN usage and if so, how effective is this process? With the rise of digital privacy concerns and the increasing use of VPNs to bypass geographical restrictions and secure internet connections, it's essential to understand the extent to which law enforcement agencies can monitor VPN activity. Are there any legal limitations that restrict police from tracing VPN usage? Additionally, what kind of technology and resources do police typically use to track VPN connections, and how successful are they in identifying individuals behind these connections?