“Surveillance” is a noun, so there’s no past tense. The word you’re looking for is “surveilled” which is the past tense of “surveil” which is the verb form of surveillance.

you’ve definitely struck a nerve for all us non-Hallmark daughters and sons- so thank you. As a survivor of a toxic mother I want to offer a way for people like me to take mother’s day and make it a day for us too- like Galentines- I go and visit a lovely lady at a care home who has early stage Alzheimer’s- it’s a…