A man spent a decade secretly filming women, including his sisters, cousin and students, using spy camera pens. As surveillance tech becomes more accessible and harder to spot, where do we draw the line between privacy, safety, and legitimate use? Lance Alexander and Daniel Martin speak with Ivan Tan, Manager of Asia Top Investigation.

A man spent a decade secretly filming women, including his sisters, cousin and students, using spy camera pens. As surveillance tech becomes more accessible and harder to spot, where do we draw the line between privacy, safety, and legitimate use?&nbsp;Lance Alexander and Daniel Martin speak with Ivan Tan, Manager of Asia Top Investigation.

The best interviews from CNA938 on Singapore news, current affairs, health, entertainment and money.

The best interviews from CNA938 on Singapore news, current affairs, health, entertainment and money.

CNA938 Rewind

The best interviews from CNA938 on Singapore news, business updates, entertainment and food.

The best interviews from CNA938 on Singapore news, business updates, entertainment and food.