article_snippet.sent: The process is expected to take 15 to 30 minutes at most .
article_snippet.sent: Texas Department of Criminal Justice officials said that a recent purchase of pentobarbital meant they had enough of the sedative to carry out Sprouse's execution and three others set for this month.
article_snippet.sent: The state's supply will need to be replenished for at least three other executions that are scheduled in May and June.
article_snippet.sent: Death penalty states have found Death penalty states increasingly difficult to acquire drugs as manufacturers, bowing to pressure from death penalty opponents, refuse to sell to state prison agencies for use in capital punishment.