[pvaldes]

Is a classical 'testing your interests' hook. Probably for filling reports. Similar to

'What brand of sunglasses do you wear?'.

https://news.ycombinator.com/item?id=28029206

or the, always popular bunch of themes falling in the pattern: 'do you take drugs?/ what drugs have you experienced?'

or 'what diseases do you had?' also very popular theme.

In resume, Don't talk with the police but, would you mind to answer this bunch of questions about your personality on internet instead, please?.