(CNN) Police in Houston, Texas, reported that by the 10th, a man and a woman who were about to finish a meal at a restaurant in the downtown aquarium in the city were suddenly shot by an approaching man. When a policeman arrived at the scene, he discovered that the man had already died. The woman was also injured and was taken to the hospital, but her condition is stable. According to local police officials, the suspect in the corner of the bar stood up and fired multiple times as he approached the couple. The man who was hit by the bullet collapsed immediately. The suspect subsequently committed suicide. I am investigating the motive of the crime. Police officials were asked about the possibility of a romantic relationship between the three, and said that it was too early to guess, but based on the results of the investigation so far, it was unlikely. He did not mention the relationship between the man and the woman and the suspect. An early analysis of surveillance cameras did not show that a man and a woman and the suspect came to the store together, citing the possibility of a crime between others.