I don't believe that's the point. see
We're trying to find out who is walking with him. When we see who Snowden is walking with (and presumably meeting), we have our next lead.
I have the feeling the pluses might signify currency - 6++, etc. Perhaps federally archived records of SAP dealings.
There's a +1. Only accurate if we can identify a tail on him. Until then it's just a 1 and I don't buy it