Seems like quite a few of us noticed the cop party at Serra Mortuary
last Friday.
this year. Last Friday’s wake was for the victim of a retaliatory
shooting at 17th and Mission. Here are the some details: http://www.sfexaminer.com/local/crime/2011/03/escalating-gang-war-bedevils-mi… http://missionlocal.org/2011/02/stretch-of-mission-where-saturdays-fatal-shoo… Thank you Mission Mission for the picture:
http://www.missionmission.org/2011/03/06/friday-night-lights/#comments
Microhood SF 
So that explains it. And that explains the gangsters blocking the street in front of the church on Guerrero.