Chapter 21. Murder; Manslaughter. § 22–2101. Murder in the first degree — Purposeful killing; killing while perpetrating certain crimes. § 22–2102. Murder in the first degree — Placing obstructions upon or displacement of railroads. § 22–2103. Murder in the second degree. § 22–2104. Penalty for murder in first and second degrees. § 22–2104.01. Sentencing procedure for murder in the first degree. § 22–2105. Penalty for manslaughter. § 22–2106. Murder of law enforcement officer. § 22–2107. Penalty for solicitation of murder or other crime of violence.