If the murderer commits suicide, who will be held responsible by law?

According to the relevant laws and regulations of our country, if a party commits suicide after killing, he will not be investigated for criminal responsibility, but civil compensation cannot be exempted, and the victim's family can file a civil lawsuit to safeguard the interests of the victim. article 36 of the Chinese people's criminal law and the principle of compensation for economic losses and civil priority. if the victim suffers economic losses due to criminal acts, the criminal shall be given criminal punishment according to law, and shall be sentenced to compensate for economic losses according to the circumstances.

if a criminal who should bear civil liability for compensation is fined at the same time, and his property is not enough to pay the fine in full or is sentenced to confiscation of property, he should first bear civil liability for compensation to the victim.

if article 16 of the tort liability law of People's Republic of China (PRC) infringes on others and causes personal injury, it shall compensate the reasonable expenses for treatment and rehabilitation, such as medical expenses, nursing expenses and transportation expenses, as well as the income reduced due to absenteeism. If it causes disability, it shall also compensate the living AIDS for the disabled and the disability compensation. If death is caused, funeral expenses and death compensation shall also be paid.