The Police Are Too Strong is a Manga/Manhwa/Manhua in english language, Manhwa series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Specialized in excessive suppression, police officer Shin Hae-soo gains the ability to go back 60 minutes in time. On the day his father passed away, he instinctively knew. This was a murder disguised as a suicide. Determined to catch his father’s killer, Hae-soo becomes a detective. Then, one day, following a mysterious accident, he suddenly gains a supernatural ability! As he solves criminal cases and tracks down the organization, a massive shadow begins to emerge bit by bit!