There are two parts to this question and therefore, they have been answered as part (a) and (b).
(a) To improve police-community relations, a few steps could be taken and they have been listed down below:
Acknowledge and discuss the issues and challenges that are being faced instead of using force. This will help to build trust with the community.
Being transparent is needed to establish a positive relationship. This could be achieved by releasing much information to the public to avoid any mistrust that might occur if any such information is leaked out.
(b) It is important to build such relations as mutual trust between them would help to ensure public safety. Moreover, the police rely on the community to provide the required information during an investigation to work out the problem and devise a suitable solution for it.
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