Crime scene: 162 mystery solving puzzles to find out who the murderer is

Chapter 149 Murder at Marty's House
Marty was attending a wedding, and suddenly received a call from his sister Jenny: "The mother who has been paralyzed in bed for a long time suddenly became ill and asked Marty to go home quickly." After that, Marty hurried home, but due to Marty's My family lives on a small island far away from the urban area. If I want to go home, I have to cross the only suspension bridge connecting the island, but it happens that a cargo ship passes by and pulls up the suspension bridge, so Marty has to wait patiently to cross the bridge.

An hour later, when Marty returned home in a hurry, his sister Jenny told Marty in tears: "Although Dr. Locke rushed home from the city within 10 minutes after receiving Jenny's call, because the mother's body is very weak, So she couldn't be rescued, and my mother died anyway."

After a while, Marty's younger brother Tom also rushed back profusely in sweat. As soon as he entered the door, he said: "After I received a call from Jenny, I put down my work and rushed home, but there happened to be a cargo ship passing by when I passed the suspension bridge. I have no choice but to wait there patiently and come back now."

However, during the routine examination of the patient's death, the forensic doctor found that Marty's mother did not die of illness, but was poisoned and murdered.After questioning, the police have identified the suspect among the four.Excuse me, who is the suspect identified by the police?
[Answer] It is Doctor Locke.Marty's family lives on an island far away from the urban area, and when passing through the island, they must pass through a suspension bridge. Marty, Tom and Doctor Locke all rushed from the urban area to the island after receiving a call from Jenny.Both Marty and Tom were delayed by cargo ships crossing the bridge when crossing the bridge. Only Doctor Locke arrived at Marty's home from the city within 10 minutes of receiving the call.It can be seen that Locke lied, he was not in the urban area at all.Therefore, Locke is a suspect identified by the police.

(End of this chapter)