Reports than are for either RDM or cop hunt should have video that meets one of the following criteria:
The video is at least 30 minutes in length.
The video shows from your last death to your recent death to the player you're reporting. The video doesn't need to be 30 minutes in length.
The video shows when you first joined the server to your death to the player you're reporting. The video doesn't need to be 30 minutes in length as long as it has been more than 30 minutes since you last joined the server.
If you're video doesn't meet any of the above criteria, then we can't do much with your complaint. Action logs, as useful as they are, do not log everything that a player does like when a player rams their car into another player's car. As such, this is why we need video that satisfies the above criteria.
