Chief Inspector Andrew Allan, from Lothian and Borders Police spoke to our reporter Jenny Longden about why the raids were important.
As a result of today's raids in Galashiels, Kelso, Selkirk and Hawick, 11 people have been arrested.
Police relied on information from the public to target specific homes.
They seized street dealer amounts of Heroin and Valium, a cannabis cultivation and personal quantities of cannabis, as well as £3000.
More top news
Campaigners in West Cumbria fear more than 70 lives a year will be at risk if maternity services at West Cumberland Hospital are downgraded.
Paul Brand is joined by new Parliamentary candidates for a lively debate on the economy and immigration. Watch the programme here:
A look ahead at the forecast for the Border region.