Looking for City of San Bernardino S.W.A.T freqs

I was wondering if anyone knew what frequencies the City of San Bernardino S.W.A.T uses off hand or are they a part of Inland Valley S.W.A.T? If not how do I find the frequencies? The other day they had a barricaded suspect around the corner from my house I heard part of the transmission then they switched channels and that was the last I heard any clues to what these frequencies could be? I have system 10 programmed which is sbcpd/sbcfd.