Under Texas law, offenders under 17 are not executed but the US Supreme Court in Roper v. Simmons has ruled capital punishment to be unconstitional for those under 18 when the crime was committed. The victim's age under which child murder is punishable by death was raised from six to 10 in 2011 by the Texas legislature.

What's the best answer to this question: can a minor be given the death penalty in texas?
no