Every time there is an incident it seems like there are hundreds of security.
I get that his main Secret service probably has dozens of people… But then there’s regular police and then military style people showing up and more under cover people and the it just keeps going


It is a lot and it isn’t just the secret service. The US Protective Service plays a role and of course parts of the US military.
24 x 7 security for president and spouse , all family members and all their residences and work spaces.
Now do that for the vice president.
Also the US secret service has other missions as well, plus support staff.
And educated guess is 4-5 K.