§  304.  Eligible activities. A public housing authority or agency may  use a grant under this article for: (1) the employment of security personnel in public housing projects; (2) reimbursement of local law  enforcement  agencies  for  additional  security and protective services for public housing projects; (3)  physical  improvements  in  public  housing  projects  which  are  specifically designed to enhance security; (4) the employment of one or more individuals: (a) to investigate drug-related crime on or about  the  real  property  comprising any public housing project; and (b) to provide evidence  relating  to  any  such  crime  in  any  administrative or judicial proceeding; (5) the provision of training,  communications  equipment,  and  other  related  equipment  for  use  by voluntary public housing tenant patrols  acting in cooperation with local law enforcement officials; (6) innovative programs designed to reduce use of drugs in and  around  public housing projects; and (7)  providing funding to nonprofit public housing resident management  corporations and tenant councils to  develop  security  and  drug  abuse  prevention programs involving site residents.