G-men get rid of old guns.
![](https://lesliejonesphotography.com/sites/default/files/lj/08_06_003309.jpg)
Superintendent Mitchell Crowley with machine gunners at headquarters. They are ready for big May Day riots |
Riot guns at Boston Police headquarters |
Inspecting riot guns and gas masks in police headquarters |
Inspecting new riot guns at police headquarters |
New type of flare gun used by police. |
Police mount guard over own arsenal. L-R: John H. Cloran / Francis J. McNeil / Edward J. Siebold. |