English to Chinese Tech/Engineering Computers: Software BI

Instead, Greiner equipped his existing force of eight {lieutenants} and two assistant chiefs with new, easy-to-use, Web-based business intelligence tools that enable the police veterans to combine and manipulate data from arrest records, court documents, probation logs, jurisdictional maps and other sources to identify patterns and pinpoint hot spots so they can stop crimes before they happen.
在警察局里，这个职位果真是“中尉”吗？还是普通的“警员”？还是？