Supporting an alibi without influencing witnesses

Start with the moment when presence matters

Read which event and period are mentioned in the accusation and ask what the time definition is based on. The registered time of a police report, camera clock and telephone data do not automatically have to use the same clock. First make it clear which window needs to be investigated, without choosing the date in advance to suit your own story. An alibi for ten o'clock means little if the relevant event could have occurred earlier. Conversely, a broadly formulated period can become more precise when the underlying source is examined.

Then write down what you know before you speak to all kinds of others. Record arrival, departure and uncertainties with their source. A remembered dinner is a different starting point than a registered access pass. Also mention possible travel time as a question to be investigated instead of a self-imagined impossibility. An online route planner today does not prove exactly how traffic or transport went on the date in question. This initial delineation helps the lawyer determine which data can actually be significant for a concrete evidentiary decision.

A source about a device is not automatically a source about you

A bank card, phone, access tag or account can designate a time and place. This does not automatically mean that the suspect used that source at that time. Conversely, other evidence may actually make the link convincing. Therefore, ask for each piece of data who had access and how the use is attributed. An alibi becomes stronger by investigating that link, not by tacitly assuming it. A payment without evidence about the payer may have a different meaning than a payment combined with an independent observation.

Use the same care with incriminating and exculpatory data. If you allege that a telephone was used by another person, that must be a real, investigable circumstance and not a convenient after-the-fact possibility. Record what source exists about this and what you only suspect. The Code of Criminal Procedure forms the procedural framework; your own spreadsheet does not decide what has been proven. The matrix mainly helps to visualize where a technical registration ends and where an inference about a person begins.

Save original data with context

Save existing messages, calendar items, travel documents and other data that you lawfully possess. Leave date, shipping information and consistency visible. A screenshot can be useful for a first conversation, but sometimes misses information that is available in an original export. Don't delete messages because they clutter an otherwise favorable overview. A selection without context can later raise questions about meaning and completeness. Ask the lawyer how relevant files can be carefully secured and delivered.

Do not log into accounts of an employer, partner or other person without authorization. A defense interest does not provide general permission to obtain data. If information is held by a third party, a targeted legitimate route may be required. Note where the source may exist and why it is relevant. This also helps when data is overwritten after a short time. The practical step is to report it to the lawyer in a timely manner, and not to conduct a technical investigation yourself with unknown software or access that you are not allowed to use.

Let independent memories stay independent

Give the lawyer names of people who may have seen something independently, with the limited reason why they are relevant. Do not ask them to confirm a specific time or preferred wording. A witness who saw someone at eight o'clock does not need to know where that person was two hours later. An honestly limited statement can have more value than a long statement that, after consultation, covers exactly the entire required period. Save existing spontaneous messages when lawfully available and describe their origin.

Well-intentioned group contact can also mix memories. Avoid a joint chat in which everyone reconstructs the evening's proceedings and then uses the same summary. The Criminal Code criminalizes influencing freedom of explanation; the legal scope must be assessed on concrete facts. Apart from that, independent source formation is important for reliability. If you have already spoken to someone, tell the lawyer what was said. Hiding previous contact does not make a researchable memory more independent and may exacerbate a later problem.

A timeline may have gaps

An alibi does not have to start with a minute schedule. Distinguish between fixed anchors, estimated moments and unknown periods. A cash register printout may contain accurate time, but the clock used may need to be checked. A witness can remember a conversation clearly without knowing the minute. By making such uncertainty visible, the lawyer can seek targeted additional sources. A self-filled gap seems temporarily convincing, but when compared with other data it can cause an unnecessary contradiction.

Also keep track of when a memory was created or reinforced. An appointment in a calendar can help to recognize a day, but does not prove that the appointment actually took place. A photo may have been taken at a different time than sent. Ask what metadata or other information is available and what follows or does not follow from that. The defense does not win with a precise number that is not based on anything. A limited, verifiable explanation provides more room for research than a rounded story that tries to eliminate uncertainty as a weakness.

An alternative scenario requires assessment, not automatic acceptance

In HR March 16, 2010, ECLI:NL:HR:2010:BK3359, the Supreme Court discusses how an alternative reading relates to the evidentiary decision. If the judge finds the case proven, an incompatible alternative must in principle be refuted. This can be done in different ways; not every explanation must be excluded solely with separate technical evidence to the contrary. Depending on the circumstances, the judge may decide, among other things, that a reading is implausible or implausible. The judgment therefore does not provide an automatic acquittal as soon as someone mentions an alibi.

In that case, the Supreme Court overturned an acquittal due to a lack of reasoning and referred the case for new hearing. The decision was not an independent determination of guilt nor a guarantee that an alternative should never be rejected. The practical significance for this guide is that an alibi must be carefully placed in the evidentiary reasoning. Concreteness helps the investigation, while the burden of proof does not simply shift to the suspect. Therefore, discuss with the lawyer what sources and legal arguments are needed without turning a general internet formula into a litigation strategy.

Fictional example: a payment and a shared phone

In a fictional example, Jamal says he was elsewhere during an incident. He has a payment at a restaurant and location data from his phone. Initially he calls both data conclusive. It later turns out that the bank card was also used by his partner and that the phone was on the table for part of the evening. That does not automatically make the sources worthless. It means that it must be investigated what relationship they have with Jamal's own presence and what period of time they can actually cover.

The lawyer searches for existing independent leads and notes which witness saw Jamal at what time. Jamal does not ask anyone to confirm the whole story and does not adjust an agenda. Perhaps the combination strongly supports his explanation; perhaps a relevant gap remains. The example does not predict an outcome. It shows that an alibi is not judged by counting the number of favorable files. Quality lies in the connection between source, user, place and time, including the limitations that come with it.

An alibi matrix with source, meaning and gap

Create one line per existing source. Do not already write the desired conclusion in the evidence column. Include what the source shows directly and what link remains to be explored. The information about case documents helps the lawyer compare this with the official accusation. Give a conflicting source the same visibility as a favorable source. This does not create a weaker defense, but a better starting point for determining what is reliable and which explanation or research wish can be responsibly introduced.

• Window: date, relevant period and source of that time boundary.
• Source: original document, registration, message or independent witness.
• Directly given: what the source actually shows without additional assumptions.
• Person link: who used the drug or who was actually observed?
• Place and clock: location, time zone, registration used and possible deviation.
• Limitation: missing part, shared use, estimate or other explanation.
• Continuation: legitimate security, specific research question and person responsible.

Then check which sources are independent. Three documents that all come from one manually completed agenda are not automatically three independent confirmations. A memory that is only formed after reading your timeline may have a different value than a previously spontaneous message. Make such relationships clear in words, without coming up with a reliability score yourself. The aim is for the lawyer to be able to specifically explain why a source is relevant and which step the judge should not skip without investigation.

Work with concrete wishes and retention periods

Discuss time-sensitive sources directly. Camera recordings, access systems or platform data may have a limited retention period. You do not have to know what legal authority is required to obtain them. Report location, period and reason of interest so that the lawyer can assess which request is appropriate. The procedural description of Rechtspraak provides context for investigative wishes in a criminal case. A specific question about a specific period is more manageable than a request to collect all possible digital data from everyone. (procedure description of Rechtspraak)

Keep track of what was asked and what was answered. Submitting a request does not automatically mean that the source has been secured or that the investigation will take place. Ask for confirmation and the next step. If something appears to be unavailable, the matrix may show that limitation. Do not try to replace a missing source with a homemade reconstruction presented as original. Sometimes another independent source can answer part of the question, but its more limited scope should be honestly kept in the explanation.

Prepare the content and the moment of response together

Tell the lawyer from the start what events and possible sources you know and what you have already told the police or others. An alibi found later can supplement an explanation, but also raise questions about previous answers. Discuss this connection before you send different versions to authorities on your own initiative. The choice to declare or not requires legal coordination. An alibi is no reason to guess unknown details or to dismiss the criminal case without preparation as a simple misunderstanding.

Our analysis is that a responsible alibi mainly requires careful source work. It preserves data, releases witnesses and distinguishes certainty from possibility. This serves a fair assessment of evidence, even when a source does not reach as far as initially hoped. The criminal file guide is the starting point for broader access to the file. This deepening makes the other step concrete: making relevant exculpatory information researchable without weakening it through exaggeration, unlawful collection or joint memory formation. (Criminal File Guide)