甲和乙共同入户抢劫并致人死亡后分头逃跑，后甲因犯故意杀人罪被抓获归案。在羁押期间甲向公安人员供述了自己和乙共同所犯的抢劫罪行，并提供了乙因犯寻衅滋事罪被关押在某市看守所的有关情况，使乙所犯的抢劫罪受到追究。对于本案，下列说法正确的是A.甲的行为属于坦白，但不成立特别自首B.甲的行为成立特别自首，但不成立立功C.甲的行为成立特别自首和立功，但不成立重大立功D.甲的行为成立特别自首和重大立功
甲和乙共同入户抢劫并致人死亡后分头逃跑，后甲因犯故意杀人罪被抓获归案。在羁押期间甲向公安人员供述了自己和乙共同所犯的抢劫罪行，并提供了乙因犯寻衅滋事罪被关押在某市看守所的有关情况，使乙所犯的抢劫罪受到追究。对于本案，下列说法正确的是
A.甲的行为属于坦白，但不成立特别自首
B.甲的行为成立特别自首，但不成立立功
C.甲的行为成立特别自首和立功，但不成立重大立功
D.甲的行为成立特别自首和重大立功
B.甲的行为成立特别自首，但不成立立功
C.甲的行为成立特别自首和立功，但不成立重大立功
D.甲的行为成立特别自首和重大立功
参考解析
解析：甲因犯故意杀人罪被抓获归案，在羁押期间交代了司法机关尚未掌握的抢劫罪，并交代了抢劫罪共犯乙的行为，并且抢劫罪与故意杀人罪属于不同种罪行，甲的行为成立特别自首。坦白要求如实供述司法机关已掌握的本人罪行，而特别自首要求如实供述司法机关还未掌握的本人其他罪行，甲不成立坦白：A选项错误。甲在交代了自己与乙实施的抢劫罪之后，还提供了同案犯乙被关押的地点等线索，使得乙的抢劫罪能够得到追诉，协助了司法机关工作，节约了司法资源，提高了司法机关的办案效率，因此甲的行为成立立功：B选项错误。所谓重大立功，是指犯罪分子检举、揭发他人重大犯罪行为，经查证属实；提供侦破其他重大案件的重要线索，经查证属实；阻止他人重大犯罪活动；协助司法机关抓捕其他重大犯罪嫌疑人；对国家和社会有其他重大立功表现的行为：所谓重大犯罪，是指法定最高刑为无期徒刑、死刑的，或者在省级范围内有重大影响的。甲、乙的抢劫行为属于抢劫罪的加重处罚情形，其法定刑为10年以上有期徒刑、无期徒刑、死刑。所以，甲的行为构成重大立功。C选项错误，D选项正确。犯罪分子有下列行为之一的属于协助司法机关抓捕其他犯罪嫌疑人：按照司法机关的安排，以打电话、发信息等方式将其他犯罪嫌疑人（包括同案犯）约至指定地点的；按照司法机关的安排，当场指认、辨认其他犯罪嫌疑人（包括同案犯）的；带领侦查人员抓获其他犯罪嫌疑人（包括同案犯）的；提供司法机关尚未掌握的其他案件犯罪嫌疑人的联络方式、藏匿地址等。但是，只是提供同案犯姓名、住址、体貌特征等基本情况，或者提供犯罪前、犯罪中掌握、使用的同案犯联络方式、藏匿地址，司法机关据此抓捕同案犯的，不能认定为协助司法机关抓捕同案犯。
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