Detailed Instructions: Given a sentence in the Japanese, provide an equivalent translation in Filipino that retains the same meaning through the translation. In translation, keep numbers as it is.
Problem:彼は「警察が、その計画的襲撃と考えられる事件では、サイレンサーが使われていたと伝えた」と言った。
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
គាត់ បាននិយាយថាប៉ូលីសបានរាយការណ៍ថាប្រដាប់ធ្វើកុំអោយលឺសូរ ត្រូវបានគេប្រើបាស់ ដែលគេអាចសន្និដ្ឋានថាជាការវាយប្រហារដោយការគ្រោងទុក។