Police need significantly higher incentives to justify the dangers, the report said, amid a shrinking force and lack of equipment, training and infrastructure.
Lazarre said the situation was difficult but police had made progress, recovering control of six neighborhoods and coming close to recovering another.
Last November, the United Nations estimated some 3,960 had been killed through the year and 2,951 kidnapped.
Haiti's government called for international reinforcements in October 2022 and the United Nations ratified sending a force composed of voluntary contributions late last year.
Haiti's armed forces were disbanded in 1995 and reinstated in 2017, but the national police remains the main security force.
Persons:
Lionel Lazarre, Lazarre, It's, Ariel Henry's, Harold Isaac, Sarah Morland, Stephen Coates
Organizations:
PORT, Reuters, Police, United Nations
Locations:
Kenya, Caribbean, Port, Mexico City