very important time for motorcycle clubs to do some gatherings. so it's something that law enforcement is definitely concerned bt. >> as i said incredibly specific talking about grenades c-4 explosives targeting police as well as members of their family. out front now, sergeant swanson op the waco police department. thank you for being with me. this warning, you just heard evan going through it. you've read it. you received it. how worried are you? >> it is certainly something for law enforcement to be aware of. and unfortunately in our line of work it's something we deal with day in and day out. i would however like to say this to those that are listening that are making the threats. the incident that occurred here sunday afternoon on a lazy sunday afternoon in waco texas, was an absolute tragedy. however, those of you that were there know that we did